Area and Perimeter of Squares/Rectangles
Parts of a Circle
Radius and Diameter
Circumference
Area
100

What is this shape? 


Square

100

What is this part of a circle?

Center

100

How many radius in a diameter?

2

100

What is the approximate value for π?

3.14

100

What is the formula for the area of a circle?

A=π r2

200

What is the area of this rectangle?

15 ft2

200

What is this showing?

Radius

200

How many diameter in a radius?

1/2

200

What are my 2 formulas for the circumference of a circle?

2πr 

πd (or dπ)

200

If I have a radius of 6, what is r2?

6 x 6 or 36

300

What is the perimeter of this rectangle?

16 ft

300

What part of the circle is this showing?

Circumference

300

What is the diameter?


8 cm

300

What is the EXACT value of the circumference of this circle?


300

If I have a radius of 6, what is the EXACT value of the area?

36π 

400

What part of the shape does area measure?

How much space the inside of the shape takes up

400

What is this part of the circle showing?

Diameter

400

What is the radius?


6 cm

400

What is the APPROXIMATE value of the circumference of this circle?

15.7 inches

400

If I have a radius of 2.5, what is the APPROXIMATE value of the area?

19.625

500

What part of the shape does perimeter measure?

The outside of the shape (like a fence)

500

Name the line segment (using letters) that shows the diameter.



AC

500

I know that the exact value of my circumference is 18π inches. What is my radius?

9 inches

500

What is the EXACT and APPROXIMATE circumference of this circle?


Exact: 16π m

Approximate: 50.24 m

500

If I have a diameter of 10, what is the exact and approximate value of the area?

25π 

78.5