? Find the arc length of the partial circle.
Either enter an exact answer in terms of TT or use 3.14 for TT and enter your answer as a decimal.
I REALLY NEED HELP THIS IS A TIMED TESTTT

Me because i don't understand how to do it.: )

Addison painted her room. she had 5 0 5050 square meters to paint, and she painted at a constant rate. after 2 22 hours of painting, she had 3 5 3535 square meters left. let a t a(t)a, left parenthesis, t, right parenthesis denote the area to paint a aa (measured in square meters) as a function of time t tt (measured in hours). write the function's formula.

Ineed the answer and the steps (extra points)