Question
The curved surface area of the sphere is 154
cm2 . Find the volume of the sphere (rounded off to one digit after decimal).Solution
using formula A= 4πr2 V = (4/3)πr3 ATQ- 4πr2=154 r =3.5cm volume of sphere= (4/3)πr3 4/3 ×22/7×3.5×3.5×3.5 =3793/21 =179.66
More Mensuration Questions
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
1219.98 ÷ 30.48 × 15.12 = ? × 2.16
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
28.01% of 3650 + 40.10% of 150 – 301.75 = ?
40 × 55.96 ÷ 7 – 20% of 699.81 + 63 = ? - (11479.50 ÷ 7)
540.11 ÷ 17.98 × 5.14 – 131.9 = √?Â
9.89 x 4.99 + 2.01 x 49.89 = ?% of 299.69
17.22 × 10.99 + 146.15 = ?
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