Area of Shaded Region Circles

The figure shows two circles inside a trapezoid. Which procedure will help find the area of the shaded region?

• Find the area of the trapezoid and you have your answer.

• Add the area of the trapezoid and the area of both circles.

• Subtract the areas of both circles from the area of the trapezoid.

• Multiply the area of the trapezoid with the areas of both circles.

What is the area of the shaded region?

Note: the cut-out is a quarter of a circle

• 4.8 cm²

• 5.3 cm²

• 8.4 cm²

• 7.1 cm²

What is the area of the shaded region?

• 98.7 cm²

• 119.3 cm²

• 122.4 cm²

• 158.5 cm²

What is the area of the shaded region?

• 16 cm²

• 12.9 cm²

• 22.4 cm²

• 15.8 cm²

What is the area of the shaded region? Leave your answer as an exact value.

• 25π - 50

• 25π - 100

• 5π - 50

• 5π - 100

What is the area of the shaded region?

• 23.1 cm²

• 5.1 cm²

• 17.4 cm²

• 37.3 cm²

The figure shows 2 circles inside a trapezoid.
Which procedure should be used to find the area of the shaded region?

• Subtract the perimeter of the trapezoid from the area of both circles.

• Subtract the circumference of both circles from the area of the trapezoid.

• Subtract the area of the trapezoid from the area of both circles.

• Subtract the area of both circles from the area of the trapezoid.

Find the probability that a randomly chosen point in the figure lies in the shaded region.

• 52.3%

• 51.4%

• 47.6%

• 45.7%

The figure shows a circle inside a triangle.  Which equation could be used to find the area of the shaded region?

• = ½bh - 2πr

• = πr² - ½bh

• = ½bh - πd

• = ½bh - πr²

• 122.46 mi²
• 122. 45 mi²
• 175.84 mi²
• 175.85 mi²