Please use the following image in order to answer the question correctly:

Find m
What is the degree measurement of m
Please show all the work on how you got your answer.(If you can't really explain it, that's fine. Just please show me all the work on how you got your answer)

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

What describes horizontal cross section of the right rectangle 6m 8m 5m