9th mathematics NCERT exercise questions with answers, Mathematics

Surface Area and Volumes – Exercise 13.2 – Class IX

The curved surface area of a right circular cylinder of height 14 cm is 88cm2 . Find the diameter of the base of the cylinder. Solution: Given, h = 14 cm ; surface area = 88 cm2 Curved surface area of the cylinder = 2πrh 88 = 2 x 22/7 x r x 14 r… Continue reading Surface Area and Volumes – Exercise 13.2 – Class IX

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