Seudónimo Seudónimo

05-04-2017
Mathematics

contestada

To the nearest tenth, what is the area of a circle whose diameter is 9 feet?

Use 3.14 for π .

Enter your answer in the box.

Respuesta :

171022545 171022545

05-04-2017

63.6 is the answer I got.

Answer Link

Jojolie Jojolie

05-04-2017

A=πr squared.

9 divided by 2 = 4.5.

4.5 times 4.5 = 20.25.

A=(3.14) (20.25).

A=63.6.

Answer Link

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