Perimeter of Portions of Circles

If a semicircle has a diameter of 12 m, what is the perimeter?

• 60.26 m

• 30.84 m

• 28.51 m

• 46.38 m

• 17.27 m

What is the circumference of this circle?

• 78.5 m

• 31.4 m

• 15.7 m

• 3.14 m

What is the perimeter of this semi circle? (Use 3.14 = π and round to the nearest tenths place)

• 18.5

• 11.3

• 20.3

• 22.6

What is the perimeter of this semi circle? (Use 3.14 = π and round to the nearest tenths place)

• 12.6

• 20.6

• 25.1

• 33.1

What is the perimeter of the semi-circle?

• 11 yd

• 17.27 yd

• 34.54 yd

• 28.27 yd

Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?

• 11.32 ft

• 12.25 ft

• 10.99 ft

• 8.75 ft

Find the perimeter of the figure.  Use 3.14 for pi.

• 20.56 in.

• 17.3 in.

• 17.8 in.

• 31.88 in.

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

• 37.68mm

• 18.84mm

• 78.54mm

• none of the above

Find the perimeter of the semicircular. Round your answer to the nearest hundredth.

• 23.13 m

• 28.26 m

• 14.13 m

• 56.52 m

Steven purchases a bowl. The diameter of the

bowl is 14 cm. What is the circumference of the

bowl? Round to the nearest hundredth. Don't forget to label.