Are Perimeter Circumference

What is the perimeter of this equilateral triangle?

• 20 meters

• 40 meters

• 60 meters

Tags

CCSS.3.MD.D.8

What is the perimeter of the shaded figure?

• 12 units

• 10 units

• 16 units

• 18 units

What is the formula for circumference of a circle given the radius?

• C = pi x r

• C = pi x 2r

• C = pi x D

• C = pi x 2D

Tags

CCSS.7.G.B.4

Determine the radius of the penny

• 59.66 mm

• 9.5 mm

• 38 mm

• 119.32 mm

Tags

CCSS.7.G.B.4

Find the circumference of a circle with a radius of 12.5 mm.

• 37.68mm

• 18.84mm

• 78.54mm

• none of the above

Tags

CCSS.7.G.B.4

Find the circumference of a circle with a diameter of 11 millimeters.

• 34.6 mm

• 30 mm

• 25.3 mm

• 34.54 cm

Tags

CCSS.7.G.B.4

What is the circumference of a circle with a radius of 54 m?

• 339.12 m

• 169.56 m

• 84.78 m 

Tags

CCSS.7.G.B.4

If the diameter of a circle is 10 mm, the circumference is approximately ___

• 314 mm

• 3.14 mm

• 31.4 mm

• 20 mm

Tags

CCSS.7.G.B.4

Trysten drew a circle with a circumference of 157 centimeters. What is the approximate diameter of the circle she drew?

• 1.57 cm

• 15.7 cm

• 50 cm

• 25 cm

Tags

CCSS.7.G.B.4

What does "circumference" mean?

• Space a circle takes up

• Distance around a circle

• Line from one side of a circle to another

• Line from center of circle to side