Area Formulas
Basic Area
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100

What is the area formula for a rectangle?

A = l * w

100

Find the area of the rectangle with a length of 9 m and a width of 5 m. 

A = 45 m2

100

5x - 2 = 13

x = 3

100

Find the perimeter of a square with a side length of 4 in.

P = 16 in

100

What is a triangle with a right angle called?

Right triangle

200

What is the area formula for a triangle?

A = (1/2)bh

200

Find the area of the triangle that Mr. Mitchell now draws on the board

A = 24 cm2

200

20 = -2x - 6

x = -13

200


P = 42 cm

200

What is the name of the powerful super-villain in Spiderman?

The Green Goblin

300

What is the area formula for a trapezoid?

A=(1/2)h(b1+b2)

300

Find the area of a circle that has a diameter of 16 cm. 

A = 201.1 cm2

300

(1/4)x + (2/3) = 6

x = 64/3

300

Find the circumference of a circle with the diameter of 88 m. 

C = 276.3 m

300

Which number has the same number of letters as the  number it represents?

4

400

What is the area formula of a circle?

A=(pi)r2

400

Find the area of a trapezoid with the height of 6 in and base lengths of 8 in and 15 in. (see drawing)

A = 69 in2

400

Find height of a triangle with base 4m & area of 24 m2

height = 12m

400


P = 70 mm

400

What was the most recent Marvel Movie?

Dr. Strange

500

How do we calculate the area for a square?

A = side2

500

Find the area for the picture Mr. Mitchell now draws

A = 121.5 ft2

500

Find the perimeter of a regular octagon with a side length of 10 in. 

A = 80 in

500

Find the perimeter of the triangle drawn on the board by Mr. Mitchell.

P = 30 cm

500

How many plants of Lavender does Mr. Mitchell have on his farm?

More than 3,000 less than 3,100