If the base area of a cone is 154 cm square and its vertical height is 15cm
then find its radius is
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Given :
- Base area of the cone (A) = 154 cm².
- Slant height of the cone (l) = 15 cm.
__________________________
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.
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