What is the exact area of the following circle?
2 answers:
Answer:
2nd option
› 56.25π cm²
Step-by-step explanation:
<u>we know , </u>
area of circle is πr²
so,
<u>given,</u>
diameter,d = 15cm
radius,r = d/2 = 15/2 = 7.5 cm
so,
area = πr²
= (7.5×7.5)π
= 56.25π cm²
i hope you find it helpful !!!!
Answer:
56.25 pi cm^2
Step-by-step explanation:
To find the area of the circle,
we use the formula
A = pi r^2, where r is the radius
We know the diameter is 15 so we can find the radius from
r = d/2 where d is the diameter
r = 15/2
A = pi ( 15/2) ^2
A = pi ( 225/4)
A = 56.25 pi cm^2
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