What is the measure of A, in degrees, in the figure shown?

Angela rode his bike around a bike trail that was 1/4 of a mile long he rode his bike around the trail 8 * angelo says he wrote a total of 8/4 miles to russell says he's wrong and he actually and says that he actually wrote to my who is corrupt use words and trying to explain how you know.

Write the standard form of an equation with (see picture below)

What is 140 squared pleas me i am dumb