1.

If diameter of a circle is 7 cm, then what will be the 4 times of the area of the circle?1. 154 cm22. 164 cm23. 168 cm24. 198 cm2

Answer» Correct Answer - Option 1 : 154 cm2

Given:

Diameter = 7 cm

Formula used:

Area of the circle = π r2

Calculation:

Area of the circle = π r2

⇒ (22/7) × (7/2) × (7/2)

⇒ 38.5 cm2

∴ 4 times area of circle = 38.5 × 4 = 154 cm2



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