the radius of the circular surface of a cylinder is 8.4 cm and its height is 4.5 cm find (π = 22/7)
a) The area of the cricular base
b) the total cricular surface area
c) the total curved surface area
d) the total surface area
e) the volume of the cylinder
please help
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Answer:
Radius of cylinder (r)=7cm
Height of cylinder (h)=15cm
Curved Surface Area =2πrh
=2×(22/7)×7×15
=660cm
2
Total Surface Area =2πr(h+r)
=2×(22/7)×7(15+7)
=2×22×22
=968cm
2
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