Area Circle 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.

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

Mason needs to purchase new glass for the window pictured here. How many square feet of glass will he need?

• 12.6 ft²

• 11.4 ft²

• 25.9 ft²

• 19.5 ft²

What is the formula for the area of a trapezoid?

• A=bh

• A=1/2 bh

• A=1/2 (b₁+b₂) h

• A=1/2(b₁ x b₂₎ h

Find the area of the figure

• 26 ft²

• 20 ft²

• 52 ft²

• 40 ft²

Calculate the area.

• 336 cm ²

• 172 cm ²

• 459 cm ²

• 522 cm ²

Braylon needs to purchase new glass for the window pictured below.  About how many square feet of glass will he need to purchase?(the lengths are for the entire side, not just one window pane.) Use 3 for pi. 

• about 19.2ft ²

• about 23ft²

• about 21.5ft²

• about 6ft²

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.

What is the area of this circle? Use the pi function on the calculator. Round your answer to two decimal places.

• 82.13

• 78.54

• 314.16

• 170.12