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givi [52]
2 years ago
9

Please answer the 2 question l will mark as brainiest

Mathematics
2 answers:
Rama09 [41]2 years ago
7 0

Answer:

1. 66.48

2. 12.57

Step-by-step explanation:

Formula is A = ㅠr^2

The radius is that half line :))

N76 [4]2 years ago
3 0

Answer:

1. A=πr2=π·4.62≈66.4761

A≈66.48

2. A=πr2=π·22≈12.56637

A≈12.57

please mark as brainiest

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