What the heck is a circle!

Finding The Circumference

100

What is the Circumference of a circle with a diameter of 5.32?

16.7048

200

What is the Circumference of a circle with a radius of 3.051?

19.16038

300

What is the circumference of a circle with the diameter of 100.365?

315.1461

400

What is the circumference of circle 1? Circle 1 has 8.25 more of a diameter than circle 2. Circle 2 has a diameter 10.96. 

60.3194

500

What is the circumference of a circle  that has an area of 78.5?

31.4

Finding The Area

100

What is the area of a circle that has a radius of 62.5?

12265.625

200

What is the area of a circle that has a diameter of 24?

452.16

300

What is the area of a circle that has the radius of 65.82?

13603.33534

400

What is the area of a circle that has a circumference of 10 rounded to the nearest hundredth?

7.96

500

Allison is planting grass in her circular yard 15 seed are needed to plant across the yard. How many seeds are needed to the yard with grass?

174.375

Finding The Diameter

100

What is the diameter of a circle with radius of 32.65?

65.3

200

What is the diameter of a circumference of 100.345 rounded to the nearest hundredths

31.99

300

What is the diameter of a circle with the area of 365 rounded to the nearest hundredths 

21.56

400

What is the diameter of a circle that has circumference of 401.92 and a radius of 64?

128

500

Brooke has a fence around her garden. She has needs 24.5ft fence to go around her garden. She wants to know how much fence she will need to go through the middle of her garden. 

7.802547771

Finding The Radius

100

The diameter of Karlee's head is 55m. What is the radius of her head.

27.5

200

Ava's heart has a diameter of 2. What is the radius of Ava's heart?

1

300

Brookie's has a ball that has a circumference of 26.5. What is the radius of her ball?

4.219745223

400

Vivian has a fat rounded dog that has a diameter of 50. What the radius of her dog?

25

500

Tucker has a marble the has a area of 32. He decides to measure anther marble with an area of 60. Tucker wants to find the radius of both. What is the radius added together, rounded to the nearest hundredths?

37.05

PI

100

If a circle has a diameter of 344, and a circumference of 1080.16, will it equal PI?

Yes!!!!!

200

What do you do to find PI?

Divide the circumference by the diameter 

300

Will a circle with a diameter of 86, and a circumference of 666 equal PI?

NO

400

Lily has a circle that equals PI what is the diameter if the circumference of 55?

17.551592357

500

Does a circle need to equal PI to find the circumference?

YASSS