Question

these figures are congruent. what is m∠r?

Explanation:

Step1: Recall congruent - figure property

Corresponding angles of congruent figures are equal.

Step2: Identify corresponding angles

\(\angle R\) corresponds to \(\angle D\).

Step3: Determine the measure of \(\angle R\)

Since \(m\angle D = 56^{\circ}\), then \(m\angle R=56^{\circ}\).

Answer:

\(56\)