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Ayushree
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Asked: 2026-10-06T04:25:34+00:00 In:

A ball bearing has a radius of 0.7 cm. Find its surface area.

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For a spherical ball bearing with radius 0.7 cm, the surface area formula 4πr² gives 4 × (22/7) × 0.7 × 0.7 = 6.16 cm².

Class 9 Ganita Manjari Part 2 book Chapter 14 Question Answer
Chapter 14 Math of Space Surface Area and Volume (Ganita Manjari 2) Solutions

ball bearing has a radius of 0.7 cmcbse class 9 maths ganita manjari part 2 solutionsclass 9 maths ganita manjari part 2 chapter 14 question answerfind its surface areaganita manjari part 2 chapter 14 math of space surface area and volume solutions
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    1. A ball bearing is spherical in shape with a given radius r = 0.7 cm. The surface area of a sphere is given by the formula SA = 4πr². Substituting the radius and using the approximation π ≈ 22/7, we get SA = 4 × (22/7) × (0.7)² = 4 × (22/7) × 0.49 = 6.16 cm².

       

      For more NCERT Solutions of Class 9 Maths Ganita Manjari Part 2 Chapter 14 Math of Space: Surface Area and Volume Question Answer (2026-27)

      https://www.tiwariacademy.com/ncert-solutions/class-9/maths/ganita-manjari-chapter-14/

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