Question

answer attempt 1 out of 2 answer: m∠bcd =

Explanation:

Step1: Observe the protractor

The protractor is used to measure the angle $\angle BCD$. The base - line of the protractor is aligned with one side of the angle, and we read the value where the other side of the angle intersects the protractor scale.

Step2: Read the angle value

By looking at the protractor, we can see that the angle $\angle BCD$ measures 90 degrees.

Answer:

90