Area and Perimeter of Rectilinear Shapes

Front

What is the formula for calculating the area of a rectangle?

Back

Area = Length × Width

Front

If a rectangle has a length of 10 units and a width of 5 units, what is its area?

Back

Area = 10 × 5 = 50 square units

Front

What is the formula for calculating the perimeter of a rectangle?

Back

Perimeter = 2 × (Length + Width)

Front

If a rectangle has a length of 8 units and a width of 3 units, what is its perimeter?

Back

Perimeter = 2 × (8 + 3) = 22 units

Front

What is the area of a square with a side length of 4 units?

Back

Area = 4 × 4 = 16 square units

Front

What is the perimeter of a square with a side length of 4 units?

Back

Perimeter = 4 × 4 = 16 units

Front

What is a composite figure?

Back

A composite figure is a shape made up of two or more simple shapes.

Front

How do you find the area of a composite figure?

Back

Add the areas of the simple shapes that make up the composite figure.

Front

If the area of a rectangle is 24 square units and the width is 4 units, what is the length?

Back

Length = Area ÷ Width = 24 ÷ 4 = 6 units

Front

What is the area of a rectangle with a length of 7 units and a width of 6 units?

Back

Area = 7 × 6 = 42 square units