Angie21111 Angie21111

Today at 10:41 AM
Mathematics

Answered

A contractor is building the base of a circular fountain. On the blueprint, the base of the fountain has a diameter of 18 centimeters. The blueprint has a scale of three centimeters to four feet. What will be the actual area of the base of the fountain, in square feet, after it is built? Round your answer to the nearest tenth of a square foot.

Answer :

randahlschreck randahlschreck

Today at 10:46 AM

The actual area is 454.1 ft.

You can use a ratio to find the actual diameter:
18cm/3cm = x/4ft.
x = 24 ft.

Then find the area using A=pi*r^2
A=pi*144
A=452.4 ft.

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