Area of Circles/Parallelograms/Triangles/Trapezoids

Area of Circles/Parallelograms/Triangles/Trapezoids

By Nicole Gubbins

Multiple Choice

Find the area of the square.

• 12,100 ft²

• 440 ft

• 220 ft²

• 10,100 ft²

Multiple Choice

Find the area of the right triangle.

• 30 cm²

• 60 cm²

• 62 cm²

• 31 cm²

Multiple Choice

Decompose the parallelogram into a rectangle. Which quadrilateral is the correct shape?

Multiple Choice

What is the area of this parallelogram?

• 120 m²

• 60 m²

• 120 m

• 60 m

Multiple Choice

One way to find the area of a triangle is to compose the triangle into a parallelogram. What is the correct procedure to find the area of the shaded triangle?

• Multiply 224 x 210, then divide by 2

• Multiply 280 x 224 x 210, then divide by 2

• Multiply 280 x 224, then divide by 2

• Multiply 280 x 210, then divide by 2

Multiple Choice

Decompose the trapezoid into a rectangle and two right triangles. What is the area of this trapezoid? (Note that the diagram is not to scale).

• 45 ft²

• 72 ft²

• 57 ft²

• 40 ft²

Multiple Choice

Decompose the regular hexagon into 6 matching triangles. What is the area of the hexagon? (Round to the nearest hundredth as needed).

• 64.95 ft²

• 129.9 ft²

• 10.83 ft²

• 32.48 ft²

Multiple Choice

The outside wall of a dollhouse has the shape of this polygon. What is the area of the polygon?

• 646 in²

• 594 in²

• 600 in²

• 650 in²

Multiple Choice

Chloe colors a border around a drawing. The height of the drawing is 2 in. greater than the 6-in. base. What is the area of the border?

• 51 in²

• 99 in²

• 54 in²

• 48 in²

Multiple Choice

What is the radius of this circle?

• 12
• 6
• 24

Multiple Choice

What is the formula for area of a circle?

• A = pi x D
• A = 2pi x r
• A = pi x r2
• A = pi x D2

Multiple Choice

What is the area of this circle?

• 163.2
• 15.3
• 124.2
• 113.1

Multiple Choice

What is the area of this circle?

• 1385.44
• 2142.12
• 5541.77
• 1289.12

Multiple Choice

What is the area of this circle?

• 1256.64
• 31.41
• 314.16
• 123.12

Multiple Choice

What is the radius of this circle?

• 140
• 35
• 70

Multiple Choice

What is the formula for finding the circumference of a circle?

• C = r²

• C = rd

• A = π·r²

• C = π·d

Multiple Select

What two formulas can you use to find the circumference?

• C = π·d

• C = π·r²

• C = 2·π·r

• C = d²

Multiple Choice

Find the circumference of the circle.

• 31.4 cm

• 78.5 cm

• 314 cm

• 15.7 cm

Multiple Choice

Find the circumference of the circle.

• 78.5 cm

• 15.7 cm

• 7.85 cm

• 19.6 cm

Multiple Choice

Find the circumference of the circle.

• 18.8 cm

• 113 cm

• 37.7 cm

• 452.2 cm

Multiple Choice

Find the circumference of the circle.

• 14.13 cm

• 63.56 cm

• 28.26 cm

• 127.17 cm