The answer is D) f(n) = f(n − 1) ⋅ 2
Answer:
f(n) = f(n − 1) ⋅ 2
Step-by-step explanation:
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THE ANSWER:
c−ab=de
THIS IS WHY:
6.25π cm²
pi = π
Circumference = 5πcm
Now first we should find radius(r)
2πr = 5π cm
pie will be cancelled and we get here
r = 5/ 2 cm
Therefore r = 2.5 cm
Now
Area (A) = πr²
= π * 2.5²
= 6.25π cm²