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# Solution for Find the Surface Area of a Sphere of Diameter 3.5 Cm . - CBSE Class 9 - Mathematics

ConceptSurface Area of a Sphere

#### Question

Find the surface area of a sphere of diameter 3.5 cm .

#### Solution

Diameter = 3.5cm
Radius - 3. 5cm/ 2 -1.75cm

∴Surface area - 4πr^2 - 4 × 22/7 × (3.5)/(2^2) - 38.5cm ^2

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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 21: Surface Areas and Volume of a Sphere
Q: 2.3 | Page no. 8
Solution Find the Surface Area of a Sphere of Diameter 3.5 Cm . Concept: Surface Area of a Sphere.
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