Question

Decrease surface area of sphere

Answer 1

Answer:

Decrese it's radius to decrese it's surface area.

MARK AS BRAINLIST....

Answer 2

Answer:

If the radius of the sphere is decreased by 30% then its radius will be 107r. Then the surface area of the new sphere will be 4π(107r)2=4πr2×10049. Now the surface area is decreased by 4πr24πr2−4πr2×10049=10051. So the percentage of the change in surface area is 51%.

Step-by-step explanation:

Mark as brainliest