Question

the radius of a sphere is rcm it is divided into two equal parts the hole csa if 2 parts will be​

Answer 1

Answer:

Whole surface area of each part = 2πr2 + πr2 = 3πr2 Total surface area of two parts = 3πr2 + 3πr2 = 6πr2 Read more on Sarthaks.com - https://www.sarthaks.com/217384/the-radius-sphere-cm-it-is-divided-into-two-equal-parts-find-the-whole-surface-area-two-parts