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Help ASAP................................

Help ASAP................................
asked 103k views
5 votes
Help ASAP................................

Help ASAP................................-example-1
asked
User Robert Kubrick
by
7.9k points

1 Answer

6 votes

Answer:

Explanation:

Top problem:

A = πr² = (22/7)(21)² = 1386 ft²

Bottom problem:

r = D/2 = 20/2 = 10 in

A = (22/7)(10)² = 314 in²

answered
User Mike Lowery
by
8.1k points
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