Math7 Pi: The Ultimate Ratio (M1T1L1)

Use 3.14 for π. Round your answer to the nearest hundredth, if necessary.

Driver's Delight has 3 circular go-cart tracks. Track 1 has a radius of 60 feet. Track 2 has a radius of 85 feet. Track 3 has a radius of 110 feet.

Compute the circumference of Track 1.

• 188.4 feet

• 376.8 feet

• 94.2 feet

• 194.68 feet

Use 3.14 for π. Round your answer to the nearest hundredth, if necessary.

Driver's Delight has 3 circular go-cart tracks. Track 1 has a radius of 60 feet. Track 2 has a radius of 85 feet. Track 3 has a radius of 110 feet.

Compute the circumference of Track 2

• 533.8 feet

• 266.9 feet

• 273.18 feet

• 538.3 feet

Use 3.14 for π. Round your answer to the nearest hundredth, if necessary.

Driver's Delight has 3 circular go-cart tracks. Track 1 has a radius of 60 feet. Track 2 has a radius of 85 feet. Track 3 has a radius of 110 feet.

Compute the circumference of Track 3

• 34.54 feet

• 345.4 feet

• 351.68 feet

• 690.8 feet

Use 3.14 for π. Round your answer to the nearest hundredth, if necessary.

Driver's Delight is considering building a new track. They have a circular space with a diameter of 150 feet. Compute the circumference of the circular space.

• 471 feet

• 235.5 feet

• 450.5 feet

• 942 feet

The owner of Driver’s Delight is considering building new go-cart tracks. If she wants the track to have a circumference of 150 feet, what is the length of the radius?

• 47.77 feet

• 95.54 feet

• 23.89 feet

• 235.5 feet

The owner of Driver’s Delight is considering building new go-cart tracks. If she wants the track to have a circumference of 200 feet, what is the length of the radius?

• 31.85 feet

• 63.69 feet

• 314 feet

• 628 feet

The owner of Driver’s Delight is considering building new go-cart tracks. If she wants the track to have a circumference of 400 feet, what is the length of the diameter?

• 200 feet

• 1256 feet

• 63.69 feet

• 127.39 feet