Question

The curved surface area of a right circular cylinder if height 14cm is 88cm^2. Find the radius of the cylinder?​

Answer 1

Answer:

Height of cylinder= 14 cm

CSA of cylinder =88cm^2

CSA of cylinder= 2πrh

2πrh=88cm^2

2×22/7×r×14=88

88×r=88

r =88/88

r=1cm

Therefore, radius is 1cm

Step-by-step explanation:

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Answer 2

$\bf{\underline{\underline{Question:-}}}$

The curved surface area of a right circular cylinder if height 14cm is 88cm^2. Find the radius of the cylinder?

$\bf{\underline{\underline{Given:-}}}$

• Curved surface area of cylinder = 88cm²
• Height of cylinder 14cm

$\bf{\underline{\underline{To\:Find:-}}}$

• Radius of cylinder (r) = ?

$\bf{\underline{\underline{Formula:-}}}$

• Curved surface area of cylinder is 2πrh

$\bf{\underline{\underline{Solution:-}}}$

$\sf :→ 88 = 2πrh$

$\sf :→ 88 = 2 × \dfrac{22}{7}×r × 14$

$\sf :→ 88 = 2×22×r×2$

$\sf :→ 88 = 44×r×2$

$\sf :→ 88 = 88r$

$\sf :→ \dfrac{88}{88}=r$

$\sf :→ r = 1$

$\bf{\underline{\underline{Hence:-}}}$

• The radius of cylinder is 1cm