Circumference of Circles
Area of circles
Area of 2D Shapes
Area of Composite Figures
triangles
100

Find the circumference of the circle below.  

18.84 cm

100

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

A = πr2

100

Find the area of the rectangle.

60 in2

100

What is a composite figure?

A 2D figure made up of other basic shapes such as triangles, rectangles, circles, semi-circles, etc...

100

What is the formula for the area of a triangle

1/2 x base x height

200

Find the circumference of a circle with a diameter of 7 in. 

21.98 in

200

Find the area of a circle with a radius of 12 cm.


452.16 cm2 

200

Find the area of a trapezoid below.

26 m2

200

What does decompose mean?

Break apart

200

Find the area of this triangle

56cm2

300

Find the circumference of the circle below.

81.64 in

300

Find the area of a circle with a radius of 5 ft.

78.5 ft2

300

What is the area of a triangle?

60 units2

300

Find the area of the composite figure.

216 cm2

Rectangle: 168 cm2
Triangle: 48 cm2

300

What is the area of this triangle

48cm2

400

Find the circumference of a circle with a radius of 2.5 cm.  

15.7 cm

400

Find the area of a circle with a radius of 17 cm.

 

907.46 cm2

400

What is the area of a parallelogram with a height of 7 in and a width of 1.5 in?

10.5 in2

400

Find the area of the composite figure.

42 cm2

Top Rectangle: 27 cm2
Bottom Rectangle: 15 cm2

400

Find the hypotenuse of this right angled triangle

16.64cm

500

Find the circumference of a circle with a diameter of 1.5 ft.

 

4.71 ft

500

Find the area of the semi-circle below with a radius of 3 cm. 

14.13 cm2

500

Find the side length of a square with an area of 289 ft2.

17 ft

500

Find the area of the figure below.

Total Area: 521 mm2

Trapezoid: 364 mm2
Semi-circle: 314/2 = 157 mm2

500

Calculate the area of this triangle


120 units2

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