A cylinder has a diameter of 14cm and a height of 20cm find volume and surface area when closed
Answers
Answer:
Right cylinder
Solve for volume
V≈3078.76cm³
d Diameter
14
cm
h Height
20
Answer:
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Surface Areas and Volumes
Surface Area of Right Circular Cylinders and Cones
The diameter of base of a c...
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The diameter of base of a cylinder is 14 cm and its height is 20 cm. Find the whole surface area and volume.
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ANSWER
Given: Diameter of base of cylinder =14 cm.
∴ Radius (r)=
2
14
=7 cm.
and Height of cylinder is h=20 cm.
So, Surface area of cylinder =2πr(r+h)
=2×
7
22
×7(7+20)
=44×27
Surface area of cylinder =1188 sq.cm.
Volume of cylinder =πr
2
h
=
7
22
×7
2
×20
=22×7×20
Volume of cylinder=3080 cu.cm