Perimeter Flashcard

Front

What is perimeter?

Back

Perimeter is the total distance around the outside of a shape.

Front

How do you find 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 perimeter of a square with each side measuring 5 units?

Back

20 units (P = 4 x side length).

Front

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

Back

12 units (3 + 4 + 5 = 12).

Front

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

Back

24 units (6 + 8 + 10 = 24).

Front

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

Back

28 m (P = 2(10 + 4)).

Front

What is the perimeter of a shape with four equal sides measuring 7 cm?

Back

28 cm (P = 4 x 7).

Front

How do you calculate the perimeter of a triangle?

Back

Add the lengths of all three sides.

Front

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

Back

5 m (P = 2(length + width) => 30 = 2(10 + width)).

Front

What is the perimeter of a shape with sides measuring 2, 3, and 4 units?

Back

9 units (2 + 3 + 4 = 9).