if a circle has a diameter of 7. what is the area?
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Answered by
0
Answer:
38.48
a = πr
a = π (7/2)
a = 22/7*4.5
a = 38.48
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area of circle = πr²
= 22/7x3.5x3.5
= 22x0.5x3.5
= 11x3.5
= 38.5unit²
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