The radius of the circle is 3.12 m. Calculate the area of the circle w – InterviewSolution

1.

The radius of the circle is 3.12 m. Calculate the area of the circle with regard to significant figures.

Answer»

Given:

radius : 3.12 m (Three significant figures)

Area of the circle = πr² = 3.14 × (3.12 m)² = 30.566

If the result is rounded off into three significant figure, area of the circle = 30.6 m²

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