Question

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$\underline\mathcal\colorbox{yellow}{{\color{red}{★Question ★}}}$

The volume of a right circular cylinder is 6358 cu cm. If its height is 28 cm, find its diameter.?? ​

Answer 1

$\sf \colorbox{pink} {Correct Question:-}$

The volume of a right circular cylinder is 6358 cm³. If its height is 28 cm, find its diameter.

$\sf \colorbox{skyblue} {Answer★}$

Given: Volume of a cylinder = 6358 cm³

$\textbf{Height = 28 cm}$

$\textbf{Find: } \text{diameter of cylinder}$

$\fbox{Solve:-}$

$\text{Volume of cylinder = } \pi {r}^{2} h$

$⇒\pi {r}^{2} h = 6358$

$⇒ \frac{22}{7} \times {r}^{2} \times 28 = 6358$

$⇒ {r}^{2} = \frac{289}{4}$

$⇒r = \frac{17}{2}$

$⇒r = 8.5 \: cm$

$\textbf{Diameter} = 8.5 + 8.5$

$\textbf{Hence Diameter is = 17 \: cm}$

$\\ \\ \\ \\ \\ \\ \\ \\ \sf \colorbox{gold} {\red★ANSWER ᵇʸ ⁿᵃʷᵃᵇ⁰⁰⁰⁸}$

Answer 2

Answer:

According to problem

volume of cylinder=6358

πr²h=6358

(22/7)×r²×28=6358

r²×28=6358×(7÷22)

r²=72.25

r=8.5

csa of cylinder=2πrh

=2×(22÷7)×8.5×28

=1496

Explanation:

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