How many coins of diameter 1.5cm and height 0.2 cm are to be melted to form a right circular cylinder of 4.5cm diameter and height 8cm?
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ANSWER -
FIRSTLY,
VOLUME OF RIGHT CIRCULAR CYLINDER
= pie×radius×height = 22/7× 4.5/2×4.5/2×8= 508.93801
VOLUME OF ONE COIN = pie×radius× height
= 22/7×1.5/2×1.5/2×0.2= 1.413716
COINS MELTED TO FORM CYLINDER = 508.93801÷1.413716 = 360 approximately
FIRSTLY,
VOLUME OF RIGHT CIRCULAR CYLINDER
= pie×radius×height = 22/7× 4.5/2×4.5/2×8= 508.93801
VOLUME OF ONE COIN = pie×radius× height
= 22/7×1.5/2×1.5/2×0.2= 1.413716
COINS MELTED TO FORM CYLINDER = 508.93801÷1.413716 = 360 approximately
vdm:
HOPE U UNDERSTAND BRO
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