Perimeter

Front

What is the definition of perimeter?

Back

Perimeter is the total distance around the outside of a 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 perimeter of a square with a side length of 5 units?

Back

The perimeter of a square is calculated as P = 4 × side length. For a side length of 5 units, P = 4 × 5 = 20 units.

Front

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

Back

The perimeter of the triangle is the sum of its sides: 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

How do you find the circumference of a circle?

Back

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

Front

What is the perimeter of a shape with sides measuring 6 cm, 8 cm, and 10 cm?

Back

To find the perimeter, add the lengths of all sides: 6 cm + 8 cm + 10 cm = 24 cm.

Front

What is the relationship between the perimeter and area of a shape?

Back

The perimeter is the total distance around a shape, while the area measures the space contained within it. They are related but represent different properties.

Front

How does the perimeter change if the dimensions of a rectangle are doubled?

Back

If the dimensions of a rectangle are doubled, the perimeter also doubles.

Front

What is the perimeter of a regular pentagon with each side measuring 4 cm?

Back

The perimeter of a regular pentagon is calculated as P = 5 × side length. For a side length of 4 cm, P = 5 × 4 = 20 cm.