Ms. G Area and Perimeter

Front

What is 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

Area = length × width.

Front

What is Perimeter?

Back

Perimeter is the total distance around a shape.

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

If a rectangle has a length of 5 cm and a width of 3 cm, what is its area?

Back

Area = 5 cm × 3 cm = 15 cm².

Front

If a rectangle has a length of 10 m and a width of 4 m, what is its perimeter?

Back

Perimeter = 2 × (10 m + 4 m) = 28 m.

Front

What is the formula for finding the area of a triangle?

Back

Area = 1/2 × base × height.

Front

If a triangle has a base of 6 cm and a height of 4 cm, what is its area?

Back

Area = 1/2 × 6 cm × 4 cm = 12 cm².

Front

What is the relationship between area and perimeter?

Back

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

Front

If the perimeter of a rectangle is 30 cm and the length is 10 cm, what is the width?

Back

Width = (30 cm - 2 × 10 cm) / 2 = 5 cm.