Challenger App

No.1 PSC Learning App

1M+ Downloads
Surface area of a solid sphere is 4 square centimeters. If it is cut into two hemispheres, what would be the surface area of each hemisphere ?

A2 square centimeters

B3 square centimeters

C2π square centimeters

D3π square centimeters

Answer:

B. 3 square centimeters


Related Questions:

If the radius of the base of a right circular cylinder is decreased by 24% and its height isincreas ed by 262%, then what is the percentage increase (closest integer) in its volume?
Find the surface area of a sphere whose diameter is equal to 30 cm.
Find the cost of fencing of a rectangular land, if it has an area of 100 m² and one side of length 20 m at a rate of 30 per meter.
What is the area included between a circle and an inscribed square of side 'a' units?

ABCD is a rectangle. P is the mid point of AD and Q is the midpoint of DC. If you shut your eyes and put a dot in the rectangle. What is the probability that the dot would be within the shaded part?

WhatsApp Image 2024-11-29 at 19.31.07.jpeg