The seventh- grade class is building a mini- golf game for the school carnival. the end of the putting green will be a circle if the circle is 10 feet in diameter, how many square feet of grass carpet will they need to buy the cover the circle

78.5 square feet of grass carpet will they need to buy to cover the circle.

Step-by-step explanation:

Given

Diameter of a circle = 10 feet.

To find:

The grass carpet area need to cover the circular part.

Solution:

For circular part area is given as

where r is the radius of the circle

d be the diameter of circle.

Also we know the radius is equal to half of the diameter.

∴

substituting the value of r i.e radius in the above formula we get

Therefore,78.5 square feet of grass carpet will they need to buy to cover the circle.

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