Applying the understanding of the circumference of a circle to solve problems

Find the circumference of a circle with
radius = 100 cm

• 628.3 cm
• 31.42 cm
• 314.2 cm
• 310 cm

Enrique purchases an antique bowl for his mom for Mother's Day. The diameter of the bowl is 18 cm. What is the circumference of the bowl? (Round to the nearest whole number.)

• 28 cm
• 57 cm
• 254 cm
• 1017 cm

A circle has a circumference of 36π meters. What is the radius of the circle?

• r = 36 meters

• r = 6 meters

• r = 12 meters

• r = 18 meters

What is this formula used for:

πd

• Area

• Circumference

• Surface Area

• Volume

The top of a pickle jar has an opening with a radius of 8 centimeters. What is the circumference of the opening of the pickle jar to the nearest hundredth of a centimeter?

Use 3.14 for 𝜋.

• 12.56 cm

• 25.12 cm

• 50.24 cm

• 200.96 cm

Steven purchases a bowl. The circumference of the bowl is 43.98 cm. What is the diameter of the  bowl?

For Help:

https://www.youtube.com/watch?v=XBHnkYD_fco

• 28 cm

• 14 cm

• 13 cm

• 7 cm

The radius of a circle is 12 centimeters.

What is the circumference?

• 12π cm

• 24π cm

• 6π m

• 3π m

Randy’s circular garden has a radius of 1.5 m. He wants to enclose the garden edging that costs $0.75 per meter. About how much will the edging cost?

• $8.00

• $7.00

• $3.50

• $0.50

If the diameter of a circle is 4 what is the circumference? Use 3.14 as pi.

• 12.56

• 17.14

• 50.24

• 0.785

A Circle has a radius of 6 inches.  What is the circumference of the circle? (Best Choice)

• 3π or about 9.42 in
• 6π or about 18.84 in
• 12π or about 37.68 in
• 36π or about 113.04 in