The diameter of a cylindrical container is 4.2cm. The height of the container is 15 cm.
a.) CALCULATE THE CURVED SURFACE AREA OF THE CONTAINER.
b.) CALCULATE THE TOTAL SURFACE AREA OF THE CONTAINER.
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Answered by
12
Answer:
Diameter=4.2/2=2.1 cm
Radius=2.1 cm
The height=15 cm
a)C.S.A =2πrh
=2×22/7×2.1×15
=2×22×2.1×15/7
=2×22×0.3×15
= 44×0.3×15
=198cm^2
b)T.S.A. = 2πr (h+r)
=2×22/7×2.1(15+2.1)
=2×22×0.3(15+2.1)
=44×0.3×17.1
= 225.72cm^2
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6
Answer:
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