Circumference of Circles
Area of circles
Area of 2D Shapes
Angles
Formulas
100

Find the circumference of the circle below.

18.84 cm

100

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

A = π r2

100

Find the area of a book that is 21 cm wide and 26 cm tall


a = 21 cm x 26 cm

a = 546 cm2

100

Complementary Angles add up to how many degrees?

90

100

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

a = 1/2 (b x h)

200

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

21.98 m

200

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


452.16 cm2

200

Find the area of a trapezoid below.

26 m2

200

How many degrees do the interior angles of a triangle add up to?

180

200

What is the formula for the area of a square?

a = lw


OR: a = 1/2 (b1 + b2) h

300

Find the circumference of the circle below. 

81.64 in
300

Find the area of a circle with a diameter of 10 ft.


78.5 ft2

300

What is the area of this triangle in cm?

60 cm2

300

Find the missing angle.

53

300

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

c = 2 pi r

400

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

15.7 cm

400

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


907.46 in2

400

What is the area of a parallelogram with a height of 7 m and a base of 1.5 m?

10.5 m2

400

Find the value of the missing angle.

103

400

Is the formula for the area of a square the same as the formula for the area of a rectangle?

yes

500

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

4.71 mm

500

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

14.13 cm2

500

Find the side length of a square with an area of 289 m2?

17 m

500

What is the value of x?

d = 95

500

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

a = pi r^2