Puzzle 4: Triangles Crossword

A line segment through a vertex and perpendicular to a line containing the base.
A line that splits an angle into two equal angles. (Two words)
Is congruent to the angle of elevation. (Three Words)
The angle formed by the line of sight and the horizontal plane for an object above the horizontal. (Three words)
A point of concurrency of the triangle.
A triangle in which all three sides are equal. (Two words)
The longest side of a right triangle.
The center of the incircle of a triangle or other figure.
A triangle that has two sides of equal length. (Two Words)
A side other than the one opposite the right angle.
A triangle is a line segment joining a vertex to the midpoint of the opposing side, bisecting it.
The line segment connecting the midpoints of two sides of a triangle.
The point where the three "altitudes" of a triangle meet.
A line that divides a line segment into two equal parts. (Two Words)
A triangle that has three unequal sides, such as those illustrated above. (Two Words)
Having corresponding sides proportional and corresponding angles equal.