In the figure, circle P has diameter 2 and circle Q has diameter 1. What is the area of the shaded region?

Created: 4 months ago | Updated: 3 months ago

\frac{3}{4} π

\frac{7}{2} π

π

π

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Since the outer circle has diameter 2, radius is 1 and area of the circle = π∗12=π $π * 1^{2} = π$
Similarly the inner circle has diameter 1, radius is 1/2 and area of the inner circle is π∗(1/2)2=π/4 $π * (1 / 2)^{2} = π / 4$

Hence, area of shaded region = area of outer circle - area of inner circle = 3/4

10 months ago

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If a square is inscribed in a circle of radius r as shown below, then the area of the square region is --

Created: 4 months ago | Updated: 3 months ago

\frac{r^{2}}{2 π}

\frac{π^{2}}{2}

{πr}^{2}

r^{2}

2 π^{2}

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In the figure, circle P has diameter 2 and circle Q has diameter 1. What is the area of the shaded region?

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If a square is inscribed in a circle of radius r as shown below, then the area of the square region is --