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Can you help me work this out please?

Can you help me work this out please?-example-1
User BenBarnes
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2 Answers

2 votes
area of a triangle is a=3.14(r)^2
21 is the radius so plug that in for r and solve
hope this helps!!
User Daemon
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1 vote

Explanation:

Always start by writing what you know

Area of a circle

A= 3.142 x r^2

r = 21cm

User Tobias Fuchs
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3.2k points