The area of a circle is equal to its circumference. Find its radius.
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1
Answer:
The area of a circle is given by the formula A = π r2, where A is the area and r is the radius. The circumference of a circle is C = 2 π r. If we "solve for r" in the second equation, we have r = C / (2 π ). Now we use this to replace r in the first equation: A = π [ C / (2 π ) ]2.
Answered by
1
Answer:
radius =2
Step-by-step explanation:
pi r²=2pir
r²=2r
r²/r=2
r=2
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