Question

Find the measurement of the angle indicated for each trapezoid.

Answer 1

∠ C = 50°

Explanation:

• each lower base angle is supplementary to the upper base angle on the same side.

then

∠ C + ∠ D = 180°

∠ C + 130° = 180° ( subtract 130° from both sides )

∠ C = 50°