PSEB Solutions for Class 9 Maths Chapter 13 Surface Areas and Volumes Ex 13.8

PSEB Solutions for Class 9 Maths Chapter 13 Surface Areas and Volumes Ex 13.8

PSEB 9th Class Maths Solutions Chapter 13 Surface Areas and Volumes Ex 13.8

Question 1.
Find the volume of a sphere whose radius is
(i) 7 cm

Question 8.
A dome of a building is in the form of a hemisphere. From inside, it was white washed at the cost of ₹ 4989.60. If the s cost of whitewashing is ₹ 20 per square metre, find the
(i) inside surface area of s the dome.

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