Areas and perimeters

Front

What is the formula to find the area of a triangle?

Back

Area = 1/2 × base × height

Front

What is the formula to find the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width)

Front

What is the area of a rectangle with a length of 5 cm and a width of 3 cm?

Back

15 cm²

Front

What is the perimeter of a square with a side length of 4 cm?

Back

16 cm

Front

If a triangle has a base of 10 cm and a height of 5 cm, what is its area?

Back

25 cm²

Front

What is the relationship between the area of a triangle and the area of a rectangle?

Back

The area of a triangle is half of the area of a rectangle with the same base and height.

Front

What is the area of a square with a side length of 6 cm?

Back

36 cm²

Front

If the perimeter of a rectangle is 20 cm and the length is 6 cm, what is the width?

Back

4 cm

Front

What is the area of a triangle with a base of 8 mm and a height of 3 mm?

Back

12 mm²

Front

What is the perimeter of a rectangle with a length of 10 in and a width of 5 in?

Back

30 in