Question

Q.3 The curved surface area of a right circular cylinder of height 14 cm is 88 cm2 Find the
diameter of the base of the cylinder.
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Answer 1

Answer:

$csa \: of \: cylinder = \pi \: r {}^{2} \: h$

CSA=88 cm^2

height=14 cm

88= 22/7×14×r

r=88×7/22×14

r=2cm

d=4 cm

Hope it helps...

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Answer 2

$\huge\underline\mathtt \green{SOLUTION:-}$

• Height of cylinder, h = 14cm

Let the diameter of the cylinder be d.

Curved surface area of cylinder = 88 cm²

• We know that, formula to find Curved surface area of cylinder is 2πrh .

So 2πrh = 88 cm2 (r is the radius of the base of the cylinder)

➠ 2×22/7×r ×14 = 88 cm²

➠ 2r = 2 cm

➠ d =2 cm

Therefore:

• The diameter of the base of the cylinder is 2 cm.

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