Radius/Diameter
Circumference - Radius/ Diameter
Area of a Circle/ Radius or Diameter
Area and Perimeter of Squares and Rectangles
Area and Perimeter of Triangles
200
If the radius is 5 what is the DIAMETER?
10
200

Find circumference: When radius = 5. Use 3.14 as pi and round to the nearest hundredth.

31.42

200

Find Area when Radius = 4 cm. Use 3.14 as pi and round to the nearest hundredth.

50.27 cm squared

200

A square has a side length of 6.5. What is the Perimeter?

26

200

A rectangle yard has side lengths of 13.5 feet, 4 feet and 8 feet. How far would you walk if you walked on the outside?

25.5 feet

300
If the diameter is 20 what is the RADIUS?
10
300

What is the circumference of a circle with a diameter of 4? Use 3.14 as pi and round to the nearest hundredth.

12.57

300

What is the area of a circle with a diameter of 10 feet? Use 3.14 as pi and round to the nearest hundredth.

78.54 feet squared

300

A rectangle has a width of 3.8 cm and a length of 8.1 cm. How much string would you need to put on the border?

23.8 cm

300

A rectangular has the following dimensions: base= 16 in  and height= 7in. What is the area of the rectangle ?

56 in square.

400
If the diameter is 56.4, what is the radius?
28.2
400

What is the circumference of a circle with a diameter of 22? Use 3.14 as pi and round to the nearest hundredth.

69.12

400

Find Area when Radius = 21.9 feet. Use 3.14 as pi and round to the nearest hundredth.

1506.74 feet squared

400

A rectangular pool is 15ft by 13 feet. How big of a tarp is needed?

195 feet squared 

400

A triangle has a base that is 115.2 cm and a height that is 17.4 cm. What is the area?

1002.24 cm squared

500
If the radius is 21.6 what is the DIAMETER?
43.2
500

Find Circumference when Radius = 41 cm. Use 3.14 as pi and round to the nearest hundredth.

257.61 cm

500

What is the area of a circle with a diameter of 22.88 miles? Use 3.14 as pi and round to the nearest hundredth.

411.15 miles squared.

500

How much soil is needed to cover a square yard with a side length of 9 yards?

81 yards squared

500

Triangle A has a base of 3 feet and height of 5 feet. Triangle B has a base of 8 feet and a height of 2 feet. Which triangle has a larger area?

Triangle B

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