Question

If the base area of a cone is 154 cm square and its vertical height is 15cm
then find its radius is​

Answer 1

Given :

• Base area of the cone (A) = 154 cm².
• Slant height of the cone (l) = 15 cm.

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To Find :

• Radius of the cone (r).

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Solution :

We know the formula of the base area of the cone (A).

→ Area = πr²

⇒ 154 = 22/7 × r²

⇒ 154/22 × 7 = r²

⇒ r² = 7 × 7

⇒ r = 7 cm

∴ The radius of cone is 7 cm.

Answer 2

Step-by-step explanation:

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