1.

The radiua and thickness of 5rupeescoin are 7cmand42mm find itsLSAand volume

Answer»

492.8cm=4928mm

Step-by-step EXPLANATION:

r=7

h=42mm=4.2cm

LSA of CYLINDER

=2×22/7×7×(7+4.2)

=44×11.2

=492.8cm



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