What is the sum of the measures of the interior angles of any triangle?
The measures add to $\editable{}$ °
Consider the diagram below.
Consider the diagram below.
Consider the diagram below.
Prove theorems about triangles. Theorems include: measures of interior angles of a triangle sum to 180°; base angles of isosceles triangle are congruent; the segment joining midpoints of two sides of a triangle is parallel to the third side and half the length; the medians of a triangle meet at a point.