Answer:
10°
Step-by-step explanation:
-28 + 38 = 10
9
A= πr^2
r = √(A/π)
r = √(676π/π)
r = 26
C = 2πr
52π
= 163.36
20
u add 13+7 and that gives you 20, so if you subtract 20 and 7 that gives you 13