Question
If the numerical value of the area of a circle is seven
times that of its circumference, determine the diameter.Solution
ATQ,
Circumference = 2 × π × r
Area = π × r²
Let radius = r units
Then, π × r² = 7 × 2 × π × r
⇒ r² = 14r
⇒ r = 14
Diameter = 2 × 14 = 28 units
More Circle Questions
35 × 540 ÷ 18 of 15 – ? = 15
√529 * 5 – 15% of 220 + ? = 120% of 160
20% of 150 + 30 X 4 = ? X 5
?% of 320 = 40% of 40 × 5
The value of (40 + 3/4 of 32) /[37 + 3/4 of (34-6)] is:
What will come in the place of question mark (?) in the given expression?
654.056 + 28.9015 × 44.851 – 43.129 =?
Solve for ?.
√(82 × 7 × 52 - 175) = ?
- Find the value of the expression:
40 + 5 – 7 × [16 + 9 – 3 × (27 – 13)]
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