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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h=4 m
v=[tex] \frac{1}{3} \pi r^{2} h=138* \frac{2}{7} \\ \\ \frac{1}{3} \pi r ^{2} *4=39.42 \\ \\ r ^{2} =9.41 r=3.06 \\ \\ [/tex]
csa of the tent=πrl
l²=h²+r²=16+9.41=25.41
l=5.04
csa= π*3.06*5.04=48.45 m²
cost for m²=120
cost for 48.45m²=120*48.45=5814 rs
v=[tex] \frac{1}{3} \pi r^{2} h=138* \frac{2}{7} \\ \\ \frac{1}{3} \pi r ^{2} *4=39.42 \\ \\ r ^{2} =9.41 r=3.06 \\ \\ [/tex]
csa of the tent=πrl
l²=h²+r²=16+9.41=25.41
l=5.04
csa= π*3.06*5.04=48.45 m²
cost for m²=120
cost for 48.45m²=120*48.45=5814 rs
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Answer:
A lot to be done and the glass will come out on
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