Formulas
Perimeter of Parallelograms
Area of Parallelograms
Triangles
Trapezoids
100
The formula for the area of a rectangle.
What is length times width or base times height?
100
The perimeter of a square with side length 6 ft.
What is 24 feet?
100
The area of a square with side length 4 cm.
What is 16 square cm?
100
The pythagorean theorem
What is a^2 + b^2 = c^2
100
The perimeter of a trapezoid with side lengths 12, 8, 6 and 7 cm
What is 33 cm?
200
The formula for the area of a square.
What is s^2?
200
The perimeter of a rectangle with side lengths 4 feet and 7 feet
What is 22 feet?
200
The area of a rectangle with side lengths 4 and 8 m.
What is 32 square meters?
200
The area of a right triangle with height 18 cm and base 30 cm.
What is 270 cm?
200
The perimeter of the trapezoid drawn on the board
What is 82 cm?
300
The formula for the perimeter of a parallelogram
What is a + b +a +b?
300
The perimeter of a parallelogram with side lengths 5 cm and 10 cm.
What is 30 cm?
300
The side length of a rectangle with an area of 20 square meters and one side length of 5 m.
What is 4 m?
300
The perimeter of a right triangle with base and height of 10 ft.
What is 50 square ft?
300
The area of the trapezoid drawn on the board.
What is 150 square cm?
400
The formula for the area of a trapezoid.
What is 1/2 h (a + b)?
400
The perimeter of a rectangle with side lengths 3 inches and 8 inches.
What is 22 in?
400
The length of the unknown side of a rectangle if one side is 9 ft and the area is 72 square feet.
What is 8 ft?
400
The missing side length of a right triangle with base 4 cm and area 12 square cm.
What is 6 cm?
400
Use the pythagorean theorem to find the missing side of the triangle on the board.
What is 5 cm?
500
The formula for the area of a right triangle
What is 1/2 hb
500
The side length of a square with perimeter of 80 feet.
What is 20 feet?
500
The missing side length of a trapezoid with bases of 6 and 12 ft, one side length of 8 feet and an area of 33 square feet.
What is 7 feet?
500
Heron's formula.
What is the square root of s(s-a)(s-b)(s-c) if s is defined as 1/2(a+b+c)?
500
Find the area of the triangle drawn on the board.
What is 6 square cm?
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