If the total surface area of a cone of radius 7cm is 704cm^2,then find it's slant height
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Answered by
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Answer:
The radii if the cone is 7 cm. The total surface area of the cone is 704 sq cm. => L = 25 cm. So the slant height of the cone is 25 cm.
Step-by-step explanation:
Answered by
1
Answer:
Step-by-step explanation:
Total surface area of cone=πr² +πrl (r=Radius, l=slant height)
⇒704= πr(l+r)
⇒704= 22/7 ×7(l+7)
⇒ 704/22 - 7 = l
⇒l=25 cm.
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