# ACT Math Formulas Crossword

Type
Crossword
Description

√((x_2-x_1 )^2+(y_2-y_1 )^2 ) DistanceFormula
a^2+b^2=c^2 PythagoreanTheorem
(x+x/2), (y+y/2) Midpoint
(y-y)/(x-x) Slope
y=mx+b slopeintercept
A=1/2*b*h AreaofTraiangle
A=l*w AreaofResctangle
A=pi*r^2 AreaofCirlce
2*pi*r or d*pi Circumference
opposite/hypotenuse Sine

## Trigonometry Crossword

Type
Crossword
Description

Always opposite of the right angle of the right triangle Hypotenuse
Will always makeup part of the angle that is being discussed and not be the hypotenuse Adjacent Side
Will never form part of the angle being discussed Opposite side
Opposite/Hypotenuse Sine
A triangle with a right angle Right triangle
A special right triangle with two congruent angle 45-45-90 Triangle
Two sides with with equal lengths Isosceles Triangle
Special right triangle that uses the ratio 1:Radical of 3:2 30-60-90 Triangle
a^2+b^2=c^2 Pythagorean Therom
Angle that is always 90 degrees Right Angle
A plane figure with three straight sides and three angles Triangle
Branch of mathematics dealing with the relations of the sides and angles of triangles and with the relevant function of any angles Trigonometry
Identical in form, size and angles Congruent
Inverse of sin Sin^-1
Inverse of Cosine Cos^-1
Inverse of Tangent Tan^-1
The angle sum of a triangle 180 Degrees
Is used to show which lines are parallel \
If all sides are the same on both of the triangle then they are congruent SSS Postulate
If two sides and the angle between them are the same then they are congruent SAS Postulate
Another word for height Altitude
In a triangle it is the line segment drawn from a vertex to the midpoint Median
If two angles are the same for two triangle then they are the same AA Postulate

## Right triangle and trigonometry Crossword

Type
Crossword
Description

is the study of the relationship of the sides and angles of a triangle trigonometry
contains a right angle, which measures 90 degrees and two acute angles each less than 90 degrees right triangle
the side opposite the right angle is the hypotenuse hypotenuse
the other two sides legs
which says that the square of the length of the hypotenuse equals the sum of the squares of the lengths of the legs Pythagorean Theorem
special right triangle has acute angles measuring 30 and 60 degrees. 30-60-90 triangle
trig ratios, opposite over hypotenuse sine
trig ratio, adjacent over hypotenuse cosine
across from the theta angle opposite leg
trig ratio, opposite over adjacent tangent
isosceles right triangles sometimes referred as, acute angles are equal 45-45-90 triangle
angle between a horizontal line and the line of sight to an object above the horizontal line angle of elevation
angle which the plane descends angle of depression
is a set of three integers a, b, c which form the sides of a right angled triangle Pythagorean triple
perform the opposite operations that the sine, cosine, tangent, secant, cosecant and cotangent perform inverse trig function

Type
Crossword
Description

the opposite of distributing factoring
b^2-4ac =0 one real solution
b^2-4ac>0 two real solutions
b^2-4ac<0 no real solution
roots, x-intercepts and solutions zeros
b^2 -4ac discriminant
Ax^2+Bx+C=0 Standard form
numbers that is multiplied by a variable coefficients
the shape of the graph of a quadratic function parabola
the peak in the curve vertex
where a<0 maximum
where a>0 minimum
when the discriminant is negative complex number
when the squared number is a negatve imaginary unit
where the parabola hits x-intercept
when Ax^2+Bx+C does not equal 0 quadratic function
cannot change in equation constant
line of symmetry of a parabola axis of symmetry

## Trigonometry Word Find Word Search

Type
Word Search
Description

Angle Of Depression
SOH CAH TOA
Trigonometric Ratio
Inverse
Trigonometry
Tangent
Sine
Triangle
Right Triangle
Reference Angle
Opposite
Hypotenuse
Degree
Cosine
Bearings
Compass
Angle Of Elevation

## Right triangles and trigonometry Word Search

Type
Word Search
Description

Pythagorean triple
Theta
Opposite
Tangent
45-45-90 triangles
Inverse trig function
Pythagorean theorem
Angel of elevation
Cosine
30-60-90 triangles
Hypotenuse
Degree
Angel of Depression
Sine

## Right Triangles and Trigonometry Crossword

Type
Crossword
Description

The side opposite the right angle of a right triangle Hypotenuse
A set of 3 positive integers that satisfy the equation c^2=a^2 + b^2 Pythagorean Triple
The positive number x that satisfies a/x = x/b Geometric mean
A ratio of the lengths of two sides in a right triangle Trigonometric ratio
Trig ratio that involves the lengths of the legs of a right triangle Tangent
Angle that an upward line of sight makes with a horizontal line Angle of elevation
Trig ratios that involve the lengths of a leg and the hypotenuse of a right triangle Sine and Cosine
Angle that a downward line of sight makes with a horizontal line Angle of depression
If tan A = x, then tan^-1 x = m<A Inverse Tangent
If sin A =y then sin^-1 y = m<A Inverse Sine
If cos A = z the cos^-1 z = m<A Inverse Cosine
Used to solve triangles with AAS or ASA Law of Sines
Used to solve triangle with SAS or SSS Law of Cosines

## ACT Math Crossword

Type
Crossword
Description

this is rise / run slope
opposite / hypotenuse sine
use this formula to find the center point of a segment midpoint
use this formula to find a side length of a missing right triangle pythagorean theorem
number of questions on the math portion of the ACT sixty
similar figures have ___ angles congruent
similar figures have ___ sides proportional
another name for a turn rotation
a slide translation
a flip reflection
the state where MR. FERRETTI is from Mississippi
the set of all x's of a function or inputs domain
the set of all y values of a function or outputs range
the principals' last name garbarino
the highest score possible on the ACT thirtysix
the number of minutes you have on the math ACT portion sixty
"of" means do what math operation in a math problem multiply
pi x r^2 is the area of a ____ circle
the ____ is half the diameter radius
the ____ formula can be used to determine the roots or zero's for a function as x^2 +2x - 3 quadratic

## Trig Crossword

Type
Crossword
Description

Measurement of triangles Trigonometry
An angle less than 90 degrees Acute
An angle greater than 90 degrees and less than 180 degrees Obtuse
A trigonometric function that equals y coordinate Sine
A trigonometric function that equals x coordinate Cosine
A trigonometric function that equals y/x coordinate Tangent
The side opposite of the 90 degree angle Hypotenuse
The side opposite of the theta Opposite side
The side closest to the theta Adjacent side
Y=sin^-1 x Sine inverse
Y=cos^-1 x Cosine inverse
Y=tanX Tangent inverse
contains a right angle, which measures 90 degrees and two acute angles each less than 90 degrees Right triangle
the other two sides Legs
which says that the square of the length of the hypotenuse equals the sum of the squares of the lengths of the legs Pythagorean theorem
any triangle with two sides of the same length Isosceles triangle
isosceles with a right angle Right isosceles triangle
special right triangle has acute angles measuring 30 and 60 degrees 30,60,90
isosceles right triangles sometimes referred as, acute angles are equal 45,45,90
ratios of any two sides of a right triangle trigonometric ratios

## trigonometry Crossword

Type
Crossword
Description

inverse function of the sine arcsine
ratio of the adjacent to the opposite side of a right triange cotangent
1 of these is at the negative x-axis radian
the space between intersecting lines angle
the set of all inputs of a function domain
the repeating interval of a periodic function period
the set of all possible outputs of a function range
the circle whose center is at the origin and radius is one unit circle
the branch of math that deals with the relations between the sides and angles of triangles and the calculations ased on them trigonometry
90 degrees rightangle
longest side of a triangle hypotenuse
y/r sine
x/r cosine
y/x tangent

## Trigonometry Crossword Puzzle

Type
Crossword
Description

a straight line from the center to the circumference of a circle radius
a unit of measurement of angles degree
the longest side of a right triangle, opposite the right angle hypotenuse
statement believed to be true based on observations conjecture
all three sides are equal in a triangle equilateral
triangle that has two sides of equal length isosceles
square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides. Pythagorean theorem
relative sizes of two or more values ratio
figure with three straight sides and three angles triangle
the trigonometric function that is equal to the ratio of the side opposite a given angle (in a right triangle) to the hypotenuse. sine
equal to the ratio of the side adjacent to an acute angle (in a right-angled triangle) to the hypotenuse. cosine
an angle is the length of the opposite side divided by the length of the adjacent side. tangent
line forming the boundary of a closed geometric shape perimeter
when two anles have a common side and a common vertex (corner point) and don't overlap. adjacent