Question

What is the area of a circle with a diameter of 5 m? Use 3.14 for pi. Round to the nearest tenth. 7.9 m² 15.7 m² 19.6 m² 78.5 m²

Answer 1

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Answer 2

`A=19.6m^2`

Explanation:

We are given a circle

diameter =5m

we know that

`radius=(diameter)/(2)`

`radius=(5)/(2)`

`radius=2.5`

so,
`r=2.5`

now, we can use area formula

`A=3.14(r)^2`

now, we can plug values

`A=3.14(2.5)^2`

`A=19.6349`

so,

`A=19.6m^2`