Perimeter and Missing Lengths Quiz

A triangle has a perimeter of 30 cm. Two of its sides are 10 cm and 8 cm. What is the length of the third side?

• 12 cm

• 10 cm

• 14 cm

• 15 cm

Match the following perimeters with the length of one side of the square.

• A square has a perimeter of 40 cm.

• 10 cm

• A square has a perimeter of 32 cm.

• 8 cm

• A square has a perimeter of 36 cm.

• 9 cm

• A square has a perimeter of 48 cm.

• 12 cm

A pentagon has four sides measuring 3 cm each. If the perimeter is 20 cm, the length of the fifth side is (a)  

• 8 cm
• 6 cm
• 5 cm
• 7 cm

A square has a side length of 5 cm. What is the perimeter of the square?

• 20 cm

• 25 cm

• 15 cm

• 18 cm

The perimeter of a triangle with sides measuring 6 cm, 7 cm, and 5 cm is (a)  

• 18 cm
• 20 cm
• 16 cm
• 19 cm

A rectangular garden has a length of 12 meters and a width of 8 meters. What is the perimeter of the garden?

• 40 meters

• 48 meters

• 44 meters

• 50 meters

Match the following rectangles with their perimeters.

• Length: 10 cm, Width: 5 cm

• 30 cm

• Length: 8 cm, Width: 5 cm

• 20 cm

• Length: 5 cm, Width: 4 cm

• 18 cm

• Length: 6 cm, Width: 4 cm

• 26 cm

A rectangle has a perimeter of 50 cm. If one side is 15 cm, what is the length of the other side?

• 10 cm

• 12 cm

• 15 cm

• 20 cm

A rectangle has a perimeter of 24 cm. If the length is 7 cm, what is the width?

• 5 cm

• 6 cm

• 4 cm

• 3 cm

Tags

CCSS.4.MD.A.3

A hexagon has five sides measuring 4 cm each. If the perimeter is 30 cm, what is the length of the sixth side?

• 5 cm

• 6 cm

• 4 cm

• 7 cm