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16.03.2020 •
Mathematics
The circumference of a circle 15 pi centimetres. What is the area of the circle in terms of pi
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Ответ:
(7.5)^2 pi
Step-by-step explanation:
Circumference= pi x diameter
area= radius^2 x pi
radius= 1/2 diameter
1. find radius: 15/2= 7.5
2. square radius: (7.5)^2
3. multiply by pi: (7.5)^2 x pi
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