Triangle JKL is isosceles. The measure of angle J is 72° and the measure of angle K is 36°. Which statement describes angle L?

The angles in a triangle add up to 180°, so angle L = 180° − 72° − 36° = 72°. Since angles J and L are equal, they are the base angles of the isosceles triangle; angle K is the vertex angle. Therefore, angle L is a base angle measuring 72°.

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