Question

what is a radius and diameter of circle with area 154 cm​

Answer 1

Answer:

r≈7

Step-by-step explanation:

Unit Conversion:

Using the formula

A=πr2

Solving forr

r=A

π=154

π≈7.00141

I hope this is helpful

Answer 2

Answer:

Area of circle is = πr²

154 = πr²

154 = 22/7r²

154×7/22 = r²

49 = r²

√49 =√r²

7 = r

radius = 7cm

diameter = 14cm