If the length of the equator of a globe is 44cm the find its surface area
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equator=44cm
=>circumference=44cm
=>2×pi×r =44
2×22/7×r=44
r=(44×7)/(2×22)
r=308/44
r=7cm.
surface area=4×pi×r²
=4×22/7×7²
=4×22×7
=616 cm²
=>circumference=44cm
=>2×pi×r =44
2×22/7×r=44
r=(44×7)/(2×22)
r=308/44
r=7cm.
surface area=4×pi×r²
=4×22/7×7²
=4×22×7
=616 cm²
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