Unit 4 Test Corrections 7th Grade

A building has a height of 125 meters and a length of 80 meters. On a scale drawing of the building, the height is 25 centimeters. What is the length of the building on the scale drawing in centimeters?

Mr. Ortiz used similar triangles to make a design. Which statement about the triangles in the design must be true?

• They are the same size and shape.

• They are the same size but different shapes.

• They have corresponding angles that are congruent.

• They have corresponding sides that are congruent.

Which of these best describes π?

• The square root of the area of a circle

• The ratio of the radius of a circle to its diameter

• The radius of a circle times 3.14

• The ratio of the circumference of a circle to its diameter

• The sum of the measures of ∠S and ∠R is 180⁰.

• The measure ∠S is 2x - 9

• The measure of ∠R is 63⁰

  What is the value of x?

The dimensions of a rectangular pyramid are shown.

What is the volume of this rectangular pyramid in cubic feet?

A rectangle, a triangle, and two congruent semicircles were used to form the figure shown.

Which measurement is closest to the area of the figure in square centimeters?

• 67 cm²

• 74 cm²

• 79 cm²

• 88 cm²

Select TWO correct answers to complete the statement below.

The area of the circle is______ ​cm² and the circumference of the circle is ______​ cm.

• 78.5

• 15.7

• 31.4

• 39.25

The net of a triangular prism and its dimensions are shown in the diagram.

What is the total surface area of the triangular prism in square inches?

A ringtoss toy is composed of a rectangular prism on top of a cylinder. The rectangular prism is completely filled with water. The dimensions of the rectangular prism are shown in the diagram.

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

A model of a rectangular stove top with four circular burners is shown. The side lengths of the stove top and the diameters of the burners are labeled.

Which measurement is the best estimate of the area in square inches of the stove top that DOES NOT include the area of the burners?

• 108 in²

• 492 in²

• 420 in²

• 528 in²