Perimeter and Area of Rectangles and Triangles

Using the formula for the area of a rectangle, solve for the area of the rectangle.

• 80.64 cm²

• 1.96875 cm²

• 19 cm²

• 38 cm²

How do you find the PERIMETER of a rectangle?

• Multiply the sides together

• Add up the lengths of all the sides

• Add a bunch of random letters together

• Multiply the sides together, then remove two of them

Find the perimeter of the following rectangle.

• 24 cm

• 11 cm

• 22 cm

• 10 cm

Solve for the perimeter of the rectangle.

• 80.64 cm

• 1.96875 cm

• 19 cm

• 38 cm

How do you find the PERIMETER of a triangle?

• Multiply the sides together

• Add up the lengths of all the sides

• Add a bunch of random letters together

• Multiply the sides together, then remove two of them

Which of the following is the AREA formula for a rectangle?

Which of the following is the AREA formula for a triangle?

Using the formula for the area of a triangle, solve for the area of the triangle.

• 24 cm²

• 48 cm²

• 60 cm²

• 30 cm²

Using the formula for the area of a triangle, solve for the area of the triangle.

• 75 cm²

• 37.5 cm²

• 60 cm²

• 30 cm²

What is the area of this rectangle?

• 40 cm

• 45 cm²

• 40 cm²

• 45 cm