Question

answer attempt 1 out of 3 answer: m∠abc = ° submit answer

Explanation:

Step1: Observe the protractor

The angle $\angle ABC$ is measured using the outer - scale of the protractor. The ray $BA$ aligns with $0^{\circ}$ on the outer - scale and ray $BC$ intersects the outer - scale at $100^{\circ}$.

Answer:

$100$