Question

#18-7: Find the radius of a circle that has an area of 4.5216 cm^2. Use 3.14 for pi.

Answer 1

r = 1.2 cm

Explanation:

Area (A) of a circle = πr²

r² =
`(A)/(Pi)`

r =
`\sqrt{(A)/(Pi) }`

r =
`\sqrt{(4.5216)/(3.14) }` = 1.2 cm