Question

Find the radius of a circle with a surface area of ​​78.50 cm?​

Answer 1

Answer:

Here is your answer

The formula for the area of that circle is A = => πr².

Given. A = 78.5

π = 22/7

Find.. R = ?

Solñ =>

r² = 78.5×7/22

r² = 25

r = 5

Hope it's help you

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Answer 2

Answer:

√24.97

Step-by-step explanation:

As we know that area of a circle is

pi × r^2

now according to question

78.50 = 22/7× r^2

78.50×7/22= r2

549.5/22 = r^2

24.97 = r^2

√24.97 = r

≈ 5= r