Crossword Puzzle

One of the element of a triangle
The name of the polygon formed with three straight lines
Another name for the angle ''a'' in the given figure 1
I have three sides, two of my sides are equal, two of my angles are equal
Who am I in the given figure 4
Sum of the interior angles of a triangle
The magnitude of <ABC angle in the figure 2
The magnitude of <QPR angle in the figure 3
The sum of the interior angles of a quadrilateral
A closed rectilinear plane figure which consist of four sides
Another name for the angle ''x'' in the figure 5
A triangle where each side is a different length
A measurement of a plane angle
A triangle have exactly one obtuse angle
A right triangle has one right angle. The other two angles are ___________
What kind of triangle is it? ( two of the angles of a triangle are 125° and 40° )
Two of the angles in a triangle are 85° and 40°. What would be the measure of the third angle?
The value of ''x'' in figure 6
How many triangles can be found in a quadrilateral?
Find the magnitude of the angle "x" in the figure 7