Diketahui volume bola 97π cm³,tentukan luas kulit bola tersebut?

By Admin ReiPosted on October 29, 2022

Diketahui volume bola 97π cm³,tentukan luas kulit bola tersebut?

$V = frac{4}{3}pi r^3 \ 97pi = frac{4}{3}pi r^3 \ 97 = frac{4}{3}r^3 \ 97 times frac{3}{4} = r^3 \ 72.75 = r^3 \ r = sqrt[3]{72.75} \ r = 4.17 cm \ \ L = 4pi r^2 \ L = 4(3.14)(4.17)(4.17) \ L = 218.4 cm^2$