a basketball is first packed in a cube of side 20 cm,then the surface area of the basketball is?
a)120
b)2400
c)400
d)1256
show your calculations.
Answers
Answered by
21
Given side of cube = 20 cm
Hence diameter of basket ball = 20 cm
Radius, r = 10 cm
Surface area of sphere (basketball) = 4πr2 sq units
= 4 × 3.14 × 102
= 1256 sq cm
Hope This Helps :)
Hence diameter of basket ball = 20 cm
Radius, r = 10 cm
Surface area of sphere (basketball) = 4πr2 sq units
= 4 × 3.14 × 102
= 1256 sq cm
Hope This Helps :)
Answered by
7
Answer:1256cm^2
Step-by-step explanation:
Since the side of cube =20cm
Diameter of ball =20cm
Radius of ball =10cm
Surface area of sphere =4πr^2
=4*3.14*10*10
=4*3.14*100
=12.56*100
=1256cm^2
Hope this was helpful
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