Area & Perimeter [Tutorials 11/19/24]

Front

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

Back

The perimeter (P) of a rectangle is calculated using the formula P = 2(length + width).

Front

How do you calculate the area of a rectangle?

Back

The area (A) of a rectangle is calculated using the formula A = length × width.

Front

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

Back

The area (A) of a square is calculated using the formula A = side × side (or A = side²).

Front

What is the perimeter of a square?

Back

The perimeter (P) of a square is calculated using the formula P = 4 × side.

Front

If a rectangle has a length of 10 inches and a width of 5 inches, what is its perimeter?

Back

The perimeter is P = 2(10 + 5) = 30 inches.

Front

If a square has a side length of 8 feet, what is its area?

Back

The area is A = 8 × 8 = 64 square feet.

Front

What is the relationship between area and perimeter in geometric shapes?

Back

Area measures the space inside a shape, while perimeter measures the distance around the shape.

Front

How do you find the area of a rectangle if you know the perimeter?

Back

To find the area, you need both the length and width. Use the perimeter to find one dimension, then apply the area formula.

Front

What is the total area of a rectangular carpet that is 12 feet long and 8 feet wide?

Back

The area is A = 12 × 8 = 96 square feet.

Front

What is the perimeter of a rectangular garden that is 20 feet long and 15 feet wide?

Back

The perimeter is P = 2(20 + 15) = 70 feet.