Question

find the volume and radius of sphere whose surface are isv154cm2​

Answer 1

Surface Area=4πr^2=154

πr^2=77/2

Volume =4/3πr^3

Bhai abb agay tum nikalo,practice

Answer 2

radius of sphere is 7/2cm

volume of sphere=4/3pie r^3

= 4/3×22/7×7/2×7/2×7/2

=539/3 cm^3