Math, asked by pr4936, 7 months ago

How to calculate the area of circle if the radius is 5cm . Next question, What is the area of the circle if the diameter of circle is 10cm.

Answers

Answered by Cornetto

1

Answer:

78.539816 cm square[ first question]

The area of the circle with a diameter of 10 cm is 78.5 cm2.[second question]

Step-by-step explanation:

second question-

The formula to calculate the area of a circle is

A=πr square

This means that if

r = 5 cm , the area is

A =5 square π cm square= 25 π cm 2 ≈ 78.539816 cm square

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