Question

*What is the volume of cylinder if its height is 10 cm and radius r cm?*

1️⃣ 220 r^2 / 7 cubic cm
2️⃣ 220 r^2 / 7 sq cm
3️⃣ 220 r^2 / 7 cm
4️⃣ 220 r / 7 cubic cm​

Answer 1

Answer:

The answer will be pi (r^2)10..which is not in your options

Answer 2

Question :- What is the volume of cylinder if its height is 10 cm and radius r cm?

1) 220 r^2 / 7 cubic cm

2) 220 r^2 / 7 sq cm

3) 220 r^2 / 7 cm

4) 220 r / 7 cubic cm

Solution :-

we know that,

• volume of cylinder = π * (radius)² * height .

given that,

• Radius of cylinder = r cm.
• Height of cylinder = 10 cm.
• π = (22/7)

so, putting all values we get,

→ Volume = π * (radius)² * height

→ Volume = (22/7) * (r)² * 10

→ Volume = (22 * r² *10) / 7

→ Volume = (220r²)/7 cm³ (option 1) (Ans.)

Hence, volume of cylinder will be (220r²/7) cm³.

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