WebRD Sharma Solutions Class 9 Chapter 21 Surface Areas and Volume of a Sphere Ex 21.1 Question 1. Find the surface area of a sphere of radius. (i) 10.5 cm (ii) 5.6 cm (iii) 14 cm Solution: In a sphere, (i) Radius (r) = 10.5 cm Surface area = 4πr 2 Question 2. Find the surface area of a sphere of diameter (i) 14 cm (ii) 21 cm (iii) 3.5 cm Solution: WebApr 10, 2024 · RD Sharma Solutions for Class 9 Maths Chapter 9 - Triangle and its Angles Class 9 Maths Triangle and its Angles Exercise 9.1 Class 9 Maths Triangle and its Angles …
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WebSep 4, 2024 · Number Systems Class 9 Extra Questions Very Short Answer Type Question 1. Simplify: (√5 + √2) 2. Solution: Here, (√5 + √2 2 = (√5 2 + 2√5√2 + (√2) 2 = 5 + 2√10 + 2 = 7 + 2√10 Question 2. Find the value of √ (3) -2. Solution: Question 3. Identify a rational number among the following numbers : 2 + √2, 2√2, 0 and π Solution: O is a rational number. WebDownload RD Sharma Books for Class 9 - Maths - RD Sharma Solutions Chapter 1 - Number System Chapter 2 - Exponents of Real Numbers Chapter 3 - Rationalisation Chapter 4 - … flying a ranch arabians
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