Lesson 4: Surface Area of Sphere and Hemisphere

Lesson 5 of 6 • 9 upvotes • 6:48mins

Lavisha Chalana

This lesson includes derivation to formulas for surface areas of sphere and hemisphere. A new brain teaser is waiting for you at the end of this lesson. Follow me at: https://unacademy.com/user/lavisha17chalana97 Thank You.