Unit 9.1 Review

Triangle KLM is shown with dimensions given in units. Which figure best models the area formula for triangle KLM?

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The rectangular prism shown has a volume of 500 cubic inches. The area of the base, B, is 25 square inches. What is h, the height of the rectangular prism in inches? Choose the correct answer from the drop-down menu to complete the statement. The height of the rectangular prism is ______ inches.

• 2 inches

• 10 inches

• 125 inches

• 20 inches

Triangle ABC is shown below. What is the measure of angle C?

• 62.5 degrees

• 117.5 degrees

• 36.5 degrees

• 53.5 degrees

The lengths of each side of a triangle are shown: 2 in., 3 in., and 5 in. Choose the correct answer from each drop-down menu to complete the statements. These line segments ______ form a triangle because the longest side of the triangle ______

• must be exactly 5 inches long,

• must be shorter than 5 inches long

• Can

• Cannot

A parallelogram is shown below. What is the area of the parallelogram in square feet?

• A. 22 3/4 ft²

• B. 12 1/2 ft²

• C. 16 1/4 ft²

• D. 18 1/2 ft²

The length of the base of a parallelogram is 12 centimeters, and the corresponding height is h centimeters. Which formula can be used to find A, the area of the parallelogram in square centimeters?

• A = 12 + h

• A = 12h

The rectangle below represents the base of a rectangular prism. Use the ruler tool to measure the dimensions of the base of the rectangular prism to the nearest 0.5 centimeter.

The height of the rectangular prism, h, is 8 centimeters.

What is the volume of the rectangular prism in cubic centimeters?

A game piece is shaped like a trapezoid. The dimensions of the game piece are shown on the diagram. Substitute the correct values into the formula for a trapezoid to find A, the area of the game piece in square inches. Move the correct answer to each box. Not all answers will be used.

A trapezoid is shown below. What is the area of the trapezoid in square meters?

• A. 52 m²

• B. 168 m²

• C. 26 m²

• D. 12 m²

A triangle is shown below. What is the area of the triangle in square inches?

Enter your answer in the space provided (Numbers Only)