Question
The height of a sphere is 28 cm.
Find the surface area of the given sphere. (Take π = 22/7)Solution
ATQ, Surface area of sphere = 4 × π × radius² Height of sphere = Diameter of sphere So, radius of the given sphere = 28 ÷ 2 = 14 cm So, required area = 4 × (22/7) × 14² = 2464 cm²
More Mensuration Questions
- Evaluate: 168 ÷ 12 × 5 + 190 – 20% of 450
17% of 250 + ? = 108
√10000 x √8100 - (50)² = √(?) + (80)²
What will come in the place of question mark (?) in the given expression?
1020 ÷ 51 × 5 + 540 of 25% - 10 = ?2Â
26% of 650 + 15% of 660 – 26% of 450 = ?
5/13 × 104 + 1(2/9) × 198 = 133 + ?
What value should come in the place of (?) in the following questions?
(3√1728 * 25) ÷ 3 * ? = 250 + 50* 3
(1/5)(40% of 800 – 120) = ? × 5
What will come in the place of question mark (?) in the given expression?
2 x ? - 180 ÷ 36 = 25% of 200 - √625
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