Triangle JKL is isosceles. The measure of angle J is 72° and the measure of angle K is 36°. Which statement describes angle L?
A.Angle L is a base angle and measures 36°.
B.Angle L is a base angle and measures 72°.
C.Angle L is a vertex angle and measures 36°.
D.Angle L is a vertex angle and measures 72°.