7th Grade Unit 5 pt 1

1. A circle has a diameter of 16 inches. Which formula represents how to find the area of the circle?

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2. A hula hoop measures 14 inches from the center to the outside. What is the distance around the hula hoop?

• A. 21.98 in
• B. 175.84 in
• C. 43.96 in
• D. 87.92 in

3. Trapezoid ABCD is similar to trapezoid EFGH. What is the length of segment EF?

• 6 cm

• 8 cm

• 4 cm

• 7.5 cm

4. A square has a side length of 6 inches. It is enlarged and the new side length is 18 inches. What is the scale factor?

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5. Kim drew a map of the Mississippi River using the scale 5 centimeters equals 120 miles. The actual length of the Mississippi River is 2,320 miles. Approximately what is the length in centimeters of the Mississippi River on the map?

• A. 19 cm
• B. 11,600 cm
• C. 97 cm
• D. 600 cm

6. Find the area of the shaded region.

• 149 ft sq

• 185 ft sq

• 113 ft sq

• 72 ft sq

7. Which of the angles below are vertical angles?

• A. ∠1 and ∠3
• B. ∠3 and ∠4
• C. ∠1 and ∠2
• D. ∠4 and ∠1

8. Using the diagram below, determine which statement is NOT true.

• A. angle Y is 90°
• B. angles X and Z are complementary
• C. angles X and Z are supplementary
• D. angles Y and Z are adjacent

9. Which of the following is a set of complementary angles?

• A. ∠CFD and ∠EFD
• B. ∠AFB and ∠DFE
• C. ∠AFC and ∠DFC
• D. ∠BFC and ∠DFE

10. Which pair of angles is an example of supplementary angles?

• A. ∠AFB and ∠EFC
• B. ∠AFC and ∠DFE
• C. ∠AFD and ∠DFC
• D. ∠AFD and ∠EFD