40. What length of tarpaulin 3 m wide will be required to make a conical tent of height 8 m
base diameter 12 m. Assume that the extra
length of material that will be required for
stitching margins and Wastage is in cutting is
approximately 20cm. [use π=3.14]
OR
The diameter of the moon is approximately
one-fourth of the diameter of the earth. what
fraction of the volume of the Earth is the
volume of the moon.
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