Chapter 9 Review

What is the name for a closed figure formed by 3 or more straight lines? (Only one correct answer)

• quadrilateral

• parallelogram

• rhombus

• polygon

What is the formula for finding the area of a parrallelogram?

• A = (b*h)/2

• A = b*h

• A = 2b*h

• A = 2h*b

What is the area of the parallelogram if the base is 10ft and the height is 5ft?

• 10 ft^2

• 50 ft

• 50 ft^2

• 20 ft

What is the formula for finding the area of a triangle? Select all that are correct

• A = b*h

• A = (1/2)b*h

• A = (b*h)/2

• b = A/2

What is the area of a triangle if the base is 10ft and the height is 5ft?

• 10 ft^2

• 25 ft^2

• 50 ft^2

• 20 ft^2

What is the formula for finding the area of a trapezoid?

• A = (b*h)/2

• A = (1/2)b*h

• A = b*h

• A = (1/2)h(base1 + base2)

What is the area of a trapezoid if the height is 8cm, base 1 is 10cm, and base 2 is 12cm?

• 88 cm^2

• 90 cm^2

• 100 cm^2

• 110 cm^2