the vertical height of a right circular conical tent is 4m and the volume of space inside it is 138*2/7 m³ . fine the canvas required to make the tent . also , find the cost of canvas at the rate of Rs 120 per m²
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radius = 3m (approx.)
slant height (l) = 5m
CSA of the cone = 47.14 sq.m
cost = 47.14 × 120 =
5656.8 RS.
slant height (l) = 5m
CSA of the cone = 47.14 sq.m
cost = 47.14 × 120 =
5656.8 RS.
gandheakshith:
Absolutely wrong answer
Why ?
Yes why
Answered by
1
if the hight is=4 and r=3
by using phytagrous theorem.
√16+9=5
CSA =Πrl
22\7×3×5=47.14
cost =47.14×120
5656.80 Rs
by using phytagrous theorem.
√16+9=5
CSA =Πrl
22\7×3×5=47.14
cost =47.14×120
5656.80 Rs
R us not 3 here
ok
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