The curved surface area of a right circular cylinder of height 21 cm is 957cm2. Find the diameter of the base of the cylinder.
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Heya !!!
Here is your answer,
Given :-
C.S.A of cylinder = 957cm²
height = 21 cm
C.S.A = 957
=> 2πrh = 957
=> 2×22/7×r×21 = 957
=> 132×r = 957
=> r = 957÷132
=> r = 7.25
radius of the cylinder = 7.25cm
Diameter = 2r = 2×7.25 = 14.5 cm
Hope it helps.
Here is your answer,
Given :-
C.S.A of cylinder = 957cm²
height = 21 cm
C.S.A = 957
=> 2πrh = 957
=> 2×22/7×r×21 = 957
=> 132×r = 957
=> r = 957÷132
=> r = 7.25
radius of the cylinder = 7.25cm
Diameter = 2r = 2×7.25 = 14.5 cm
Hope it helps.
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