Perimeter

Front

What is the definition of perimeter?

Back

The distance around an object.

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 formula for the perimeter of a square?

Back

P = 4 × side length.

Front

How do you find the perimeter of a triangle?

Back

Add the lengths of all three sides.

Front

What is the perimeter of a trapezoid?

Back

Add the lengths of all four sides.

Front

If a rectangle has a length of 10 cm and a width of 7 cm, what is its perimeter?

Back

P = 2(10 cm + 7 cm) = 34 cm.

Front

What is the perimeter of a parallelogram?

Back

P = 2(base + height), where base and height are the lengths of the sides.

Front

How do you calculate the perimeter of a circle?

Back

The perimeter of a circle is called the circumference, calculated as C = 2πr, where r is the radius.

Front

What is the perimeter of a regular polygon?

Back

P = number of sides × length of one side.

Front

If a triangle has sides measuring 5 m, 6 m, and 4 m, what is its perimeter?

Back

P = 5 m + 6 m + 4 m = 15 m.