An isosceles triangle has a vertex angle of 80°. What is the measure of each base angle?
Note
The two base angles of an isosceles triangle are equal. They share 180° − 80° = 100°, so each is 50°.
An isosceles triangle has a vertex angle of 80°. What is the measure of each base angle?
The two base angles of an isosceles triangle are equal. They share 180° − 80° = 100°, so each is 50°.