Answer:
r = 5
Step-by-step explanation:
(r + 8)^2 = r^2 + 12^2
r^2 + 16r + 64 = r^2 + 144
16r = 80
r = 5
Answer:
156
Step-by-step explanation:
26=20+6
(20×6) + (6×6)
=120+36
=156
Answer:
I think the answer is b 2x bigger
By the rule of

and r being 7 as it is half the diameter the answer is