Write a paragraph proof to prove the statement. Given: m∠A + m∠B = m∠B + m∠C

Prove: m∠C = m∠A

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels