Question

A circular coaster has a diameter of 5 inches. What is its area? write your answer using π.

Answer 1

Explanation:

Diameter=5 inches

Area= π
`r^(2)`

r is the radius of coaster.

Radius=diameter/2

Substitute the value of D:

r=5/2

Now

Area=π
`(5)/(2) ^(2)`

Area=π(
`(25)/(2)`)

Area=12.5π sq.inches

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