Vocabulary
Circumference
Area and Circumference
Area
Finding Radius/Diameter
100

A straight line from the center to the circumference of a circle or sphere

Radius

100

What is the circumference of a circle if:

the radius = 7 yds?

43.96 or 14π yds

100

What is the formula to find the area of a circle?



A= 

pir^2

100

What is the area of a circle if:

the Radius = 6 in

36π or 113.04 in2

100

What is the diameter of a circle whose circumference is 314?

100

200

Name the line in a circle that cuts it in half.

Diameter

200

What is the circumference of a circle if:

the radius = 9 yds?


56.52 or 18π yds

200

St. Patrick's Day always falls on...

the 17th of March

200

What is the area of a circle if:

the Radius = 3 ft

9π or 28.26 ft2

200

What is the diameter of a circle whose circumference is 690?

219.63

300

St. Patrick's Day switched over from a strictly holy day for Catholics to an official Irish public holiday in what year? HINT: Early 1900s

1903

300

What is the circumference of a circle if:

the radius = 8.4 yds?

52.75 or 16.8π yds

300

Find the circumference of a circle when the radius is 11 in.

69 inches

300

What is the area of a circle if:

the Diameter = 12 feet?

36π or 113.04 ft2

300

St. Patrick's Day parade is the world's oldest parade and the largest in the United States. This happens where?

The New York City  

400

The outside measurement of a circle. Or the distance around the outside of the circle

Circumference

400

What is the circumference of a circle if:

the radius = 7.4 yds?

46.47 or 14.8π yds

400

What is the Area of a circle if:

the Diameter = 14 in

153.86 or 49π in2

400

What is the area of a circle if:

the diameter = 8 in

16π or 50.24 in2

400

What is the radius of a circle whose circumference is 901?

143.40

500

The measurement of the inside of a circle. Or how much the circle covers

Area

500

The circular fountain in front of the courthouse has a radius of 9.4 feet. What is the circumference of the fountain? 

What is 59 ft?

500

A rose garden is circular. The diameter of the garden is 18 feet. Find the total area of the garden using 3.14 for pi. 

254.34


500

A dog is leashed to a point in the center of a large yard, so the area the dog is able to explore is circular. The leash is 20 feet long. What is the area of the region the dog can explore?

1256

500

What is the radius of a circle whose circumference is 372?

59.21