Perimeter

Front

What is the definition of perimeter?

Back

Perimeter is the total distance around the outside of a two-dimensional shape, calculated by adding the lengths of all its sides.

Front

How do you calculate the perimeter of a rectangle?

Back

To calculate the perimeter of a rectangle, use the formula: P = 2(length + width).

Front

What is the formula for the perimeter of a square?

Back

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

Front

If a triangle has sides of lengths 3 cm, 4 cm, and 5 cm, what is its perimeter?

Back

The perimeter of the triangle is 3 cm + 4 cm + 5 cm = 12 cm.

Front

What is the perimeter of a circle called?

Back

The perimeter of a circle is called the circumference.

Front

What is the formula for the circumference of a circle?

Back

The circumference of a circle is calculated using the formula: C = 2πr, where r is the radius.

Front

How do you find the perimeter of a polygon with unequal sides?

Back

To find the perimeter of a polygon with unequal sides, add the lengths of all the sides together.

Front

What is the perimeter of a figure with sides measuring 5 cm, 7 cm, and 10 cm?

Back

The perimeter is 5 cm + 7 cm + 10 cm = 22 cm.

Front

What is the relationship between perimeter and area?

Back

Perimeter measures the distance around a shape, while area measures the space contained within it; they are related but represent different properties.

Front

How does changing the dimensions of a rectangle affect its perimeter?

Back

Changing the dimensions of a rectangle will change its perimeter; increasing the length or width increases the perimeter.