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What length of tarpaulin 3m wide …

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What length of tarpaulin 3m wide will be required to make conical tent of height 8m and base radius 6 m? Assume that the extra length of material that will be required for stitching margins and wastage in cutting is approximately 20 cm

Posted by Mouria Ganeshan 7 years, 11 months ago

CBSE > Class 09 > Mathematics

1 answers

Priyanshi Varshney 7 years, 11 months ago

L=√h2+r2 L=√64+36 L=√100 L=10m C.S.A. of cone =πrl =3.14×6×10 =188.4 Area of tarpaulin=188.4 LxB=188.4 Lx3=188.4 L=188.4/3 L=62.8 Extra length=20cm=0.2m Total length=62.8+0.2=63m

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CBSE > Class 09 > Mathematics