Question

16. In the figure, two hemispheres of radius 7 cm is stuck to each ends of the cylinder of
height 10 cm, find the total surface area of the solid​

Answer 1

Answer:

336πcm²

Step-by-step explanation:

total surface area of the figure

=curved surface area of the sphere+

curved surface area of the cylinder

=4πr²+2πrh=2πr(2r+h)=2×7cm×π(2×7cm+10)

=14cm×π(14cm+10)=14cm×π×24cm=336πcm²

(please mark as brainliest answer)