Use the drawing below to answer the questions below. Assume the figure is drawn to scale.
Identify three types of triangles in the drawing.
The three triangles are highlighted:
has two sides of equal length.
Notice the size of the angles of the other two triangles.
is an isosceles triangle, triangle is acute, and triangle is obtuse.
What do you know about the angles labeled
If two angles are supplementary, what is their sum?