Geometry Formulas

To find how much space a 2 dimensional figure takes up, we are looking for...

• Area

• Length

• Perimeter

• Speed

Which formulas could you use to find the area of a square? (Select all that apply)

Which formula do we use to find the area of a triangle?

To find the perimeter of a shape, we ...

• Multiply length x width

• Add length plus width

• Add length plus width, then divide by 2

• Add all the sides together.

A square has a side length of 6cm. What is the area and perimeter?

• 36

• 24

• 12

• 18

A triangle has a base of 7cm and a height of 8cm. What is the area of the triangle?

Marquise is painting a geometric mural. One of the shapes he is painting is a right triangle with a height of 4ft and a base of 6ft. How many square feet does the triangle take up on the mural.

Find the area of the parallelogram.

• 12 units²

• 10 units²

• 13 units²

• 6 units

Find the area of the parallelogram.

• 15.6 cm²

• 30.6 cm²

• 13.26 cm²

• 79.56 cm²