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2 years ago

What is the exact area of the following circle?

Mathematics

2 answers:

Vsevolod [243]2 years ago

5 0

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 !!!!

pychu [463]2 years ago

3 0

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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