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# Curved Surface Area of a Right Circular Cylinder is 4.4 M^2. If the Radius of the Base of the Cylinder is 0.7 M, Find Its Height. - CBSE Class 9 - Mathematics

ConceptSurface Area of a Right Circular Cylinder

#### Question

Curved surface area of a right circular cylinder is 4.4 m^2. If the radius of the base of the cylinder is 0.7 m, find its height.

#### Solution

Given that
Radius of base of the cylinder e_r = 0.7m
Curved surface area of cylinder = 4.4m^2 = 2πrh
Let h be the height of the cylinder
WKT,
2πrh = 4.4m^2
2×30.14×0.7×h =4.4

(4.4)hm -4.4m^2
1=hm
∴The height of the cylinder= 1m.

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#### APPEARS IN

RD Sharma Solution for Mathematics for Class 9 by R D Sharma (2018-19 Session) (2018 to Current)
Chapter 19: Surface Areas and Volume of a Circular Cylinder
Ex.19.10 | Q: 1 | Page no. 8
Solution Curved Surface Area of a Right Circular Cylinder is 4.4 M^2. If the Radius of the Base of the Cylinder is 0.7 M, Find Its Height. Concept: Surface Area of a Right Circular Cylinder.
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