The smallest enclosing cylinder for a sphere of radius r has base radius r and height 2r, with volume 2πr³. The sphere volume is (4/3)πr³, exactly two-thirds of the cylinder’s volume. Class 9 Ganita Manjari Part 2 book Chapter 14 Question ...
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Option (A) has a volume of 50³ = 125,000 mm³. Option (B) has 100 × 10³ = 100,000 mm³. Since 125,000 mm³ is greater than 100,000 mm³, Option (A) gives more chocolate. Class 9 Ganita Manjari part 2 Chapter 14 end ...
A 72.8% volume increase gives a factor of 1.728. Since volume scales cubically with radius, the new radius factor is ∛1.728 = 1.2. This represents a 20% increase, so x = 20. Cbse Class 9 Maths Ganita Manjari Part 2 Solutions
Let the numbers be x and y with x > y. The equations are x – y = 26 and x = 3y. Substituting gives 3y – y = 26, so 2y = 26, y = 13 and x = ...
Method 1: 180° edge rotations place all four interior angles around each shared vertex, summing to 360° without gaps or overlaps. Methods 2 and 3: Parallelograms tile the plane, so positioning copies preserves edge congruences and seamlessly tiles the entire ...