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maibelgarza
26.12.2019 •
Mathematics
The circumference of a circle is 5π cm. what is the area of the circle? 25π cm² 10π cm² 6.25π cm² 2.5π cm²
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Ответ:
6.25π cm²
Step-by-step explanation:
So circumference is pi x d or 2 x pi x r
Area = pi x r²
5pi = pi x d (divide by pi on both sides)
d = 5 or r = 2.5
2) A = pi x 2.5²
3) A = 6.25pi cm²
Hope this helps! :D
Ответ:
Area of the circle = 6.25π cm^2
Step-by-step explanation:
The circumference of a circle is 5π cm. we need to find the area of the circle
Formula for the circumference of a circle = 2πr
r is the radius of the circle
2πr= 5π
Divide by π on both sides
2r= 5
divide by 'r' on both sides
r= 5/2
Area of the circle = πr^2
r= 5/2
Area of the circle = π(5/2)^2= 6.25π cm^2
Ответ:
tree. tree house