the curved surface of area of a right circular cone of height 15cm and base diameter 16cm is___(a)60pi square (b)68pi square (c)120pi cmsqure (d) 136pi cmsquare
Answers
Answered by
13
Answer:
136 π cm²
Step-by-step explanation:
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Answered by
1
Answer:
option d is correct
Step-by-step explanation:
l=slant height
l= root(r^2+h^2)
l=root(64+225)
l=17cm
C.S.A of cone=pie×r×l =pie×17×8=136piecm^2
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