SOLUTION
Given the question in the image, the following are the solution steps to answer the question.
STEP 1: Draw the triangles
step 2: Write the congruent sides
STEP 3: Find the measure of angle D
It can be seen from step 2 that angle D is congruent to angle A.
We find angle A as seen below:
Since angle D is congruent to angle A,
hence, m