Area and Perimeter

Front

What is the definition of perimeter?

Back

Perimeter is the total distance around the outside of a shape.

Front

How do you calculate the perimeter of a rectangle?

Back

Add the lengths of all four sides or use the formula: P = 2(length + width).

Front

What is the definition of area?

Back

Area is the amount of space inside a shape, measured in square units.

Front

How do you calculate the area of a rectangle?

Back

Multiply the length by the width: Area = length × width.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height.

Front

If a rectangle has a length of 5 units and a width of 4 units, what is its area?

Back

20 square units.

Front

What is the perimeter of a rectangle with a length of 8 cm and a width of 3 cm?

Back

22 cm.

Front

What is the perimeter of a square with each side measuring 6 inches?

Back

24 inches.

Front

If a shape has a perimeter of 30 cm and one side is 10 cm, what is the total length of the other three sides?

Back

20 cm.

Front

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

Back

16 square units.