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

A circular track has a diameter of 400 meters. What is the radius of the track?

• 200 meters

• 800 meters

• 400 meters

• 100 meters

What is the diameter of this circle?

• 3.5
• 3
• 5
• 7

If the radius of a circle is 12 m, what is its diameter?

• 6

• 36

• 18

• 24

What is the radius?

If the radius of a circle is 5, what is the diameter?

• 5

• 10

• 25

• 2.5

A circle has a diameter of 36 ft. What is the radius?

• 18 ft

• 72 ft

• 14 ft

find the radius of the circle

• 3 m

• 1.5 m

• 1.5

• 1.5 mm

If the diameter is 8 cm, the radius is what?

• 16 cm

• 8 cm

• 4 cm

• 2 cm

What is the radius and diameter of this circle?

• r= 6.5 d=13

• r= 13 d=6.5

• r= 3.25 d=6.5

• r= 6.5 d=3.25

_{What is the diameter?}

• 5 in
• 10 in
• 3.14 in
• 15.84 in