Solving Perimeter Problems

What is the perimeter of a PENTAGON if ALL sides are 7 inches?

• 21 inches

• 35 inches

• 14 inches

• 42 inches

Above is Jenny's tile design. What other tile design has the same AREA?

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Monica draws a rectangle with a PERIMETER of 14 centimeters. She labels one side 4 centimeters, but she forgets to label the other side. What is the missing side length?

• 1 cm.

• 5 cm.

• 4 cm.

• 3 cm.

Chester has 24 tiles. How should he arrange them so that he has the smallest perimeter?

• 24 by 1 rectangle

• 6 by 4 rectangle

• 12 by 2 rectangle

• 8 by 3 rectangle

Brad's deck design is shown above. Which shape has the same perimeter but a different area than Brad's design?

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The PERIMETER of the polygon is 60 inches. What is the missing side length?

• 2 inches

• 3 inches

• 4 inches

• 1 inch

Samantha measures the PERIMETER of a common shape. One of the sides is 6 inches long, and the perimeter is 24 inches. If all of the sides are the same length, what shape does Samantha measure?

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Tags

CCSS.3.MD.D.8

Mrs. Romero has placemats that are in the shape of trapezoids. She knows that the PERIMETER is 60 inches. She also knows the length of 3 of the 4 sides: 14 inches, 14 inches, and 17 inches. What is the length of the fourth side?

• 20 inches

• 15 inches

• 10 inches

• 16 inches

Joey's hall rug is shown above.

Find the AREA and PERIMETER.

• A= 12 ft. P = 32 ft.

• A= 24 ft. P = 30 ft.

• A= 24 ft P= 32 ft.

• A= 32 ft. P= 24ft

Mike finds the PERIMETER of a square with a side length of 14 inches. What is the PERIMETER?

• 56 inches?

• 66 inches?

• 50 inches?

• 52 inches?