What's the Formula?
Rectangles
Parallelograms
Triangles
Missing Dimensions
100

The formula for the area of a rectangle.

What is A= l x w?

100
The area of a rectangle with a length of 7 cm and a width of 5 cm.
What is 35 cm²?
100

The area of a parallelogram with a base of 7 m and a height of 4 m.

What is 28 m²?

100

The area of a triangle with a base of 9 cm and a height of 4 cm.

What is 18 cm²?

100

The length of a rectangle with an area of 36 cm² and a width of 4 cm.

What is 9 cm?

200

You get this by adding all the sides of a polygon.

What is the perimeter?

200

The area of a square with a side length of 6 m.

What is 36 m²?

200

The area of a parallelogram with a base of 8 cm and a height of 13 cm.

What is 104 cm²?

200

The area of a triangle with a base of 2 m and a height of 5 m.

What is 5 m²?

200

The length of a square with an area of 64 m².

What is 8 m?

300
The formula for the area of a parallelogram.
What is A = b x h?
300

The area of a rectangle with a length of 10 cm and a width of 30.2 cm.

What is 302 cm²?

300

The area of a rhombus with a base of 14 cm and a height of 23 cm.

What is 322 cm²?

300

The area of a triangle with a base of 10 km and a height of 4 km.

What is 20 km²?

300

The height of a parallelogram with an area of 54 m² and base of 9 m.

What is 6 m?

400

The formula for the area of a triangle.

What is (b x h) / 2 

400

The area of a rectangle with a length of 3.1 m and a width of 2.8 m?

What is 8.68 m²?

400

The area of a parallelogram with a base of 11.2 m and a height of 16.4 m.

What is 183.68 m² ?

400

The area of a triangle with a base of 70 mm and a height of 6 mm?

What is 210 mm² ?

400

The height of a triangle with a base of 12 cm and an area of 48 cm².

What is 8 cm?

500

If a white house is made with white bricks, and a blue house is made with blue bricks, what is a greenhouse made of?

What is glass (or plastic)?

500

The area in cm² of a rectangle with a length of 300 cm and a width of 205 cm.

What is 61,500 cm²?

500

The area of a parallelogram with a height of 2 1/4 mm and a base of 5  1/2 mm.

What is 12 3/8 m² (or 99/8 m² or 12.375 m²)?

500

The area of a triangle with a base of 13 m and a height of 15 m.

What is 97.5 m² ?

500

The base of a triangle with an area of 240 mm² and a height of 60 mm.

What is 4 m ?

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