D(250/300)=90
d=108mi
.................
A = <span>π r^2
r^2 = A/</span><span>π
r^2 = 530.93 / 3.14
r^2 = 169.08
r = 13
C = 2 </span><span>π r
C = 2 (3.14)(13)
C = 81.64
answer
81.64 m</span>
Answer:
69
Step-by-step explanation:
Answer:2
Step-by-step explanation:
-2m+15=45
-2m=45-15
-2m=30
2m=-30
m=-15
