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 sq cm
B3 sq cm
C2∏ sq cm
D3∏ sq cm
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
The floor of an office has dimensions 5 mx 3 m. The cost of painting the walls and ceiling is 7,440 at the rate of 60/m². Find the height of the room (in m). (rounded off to one decimal place)
In ΔABC, AB = 20 cm, BC = 16 cm and AC = 12 cm and the radius of incircle is 4 cm. Find the area of ΔABC.
In ΔPQR, ∠PQR = 90°, PQ = 5 cm and QR = 12. What is the radius (in cm) of the circum circle of ΔPQR?
Find the area of polygon ABCDE (in square cm) if AE = 20 cm and AB = 15 cm; quadrilateral BCDE is a square.
A solid sphere of diameter 6 cm is melted and then cast into cylindrical wire of radius 0.3 cm. Find the length of the wire.