Triangles & Rectangles (Area and Perimeter)

Front

What is the formula for the area of a rectangle?

Back

Area = Length × Width

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2 × (Length + Width)

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × Base × Height

Front

What is the formula for the perimeter of a triangle?

Back

Perimeter = Side1 + Side2 + Side3

Front

If a rectangle has a length of 10 cm and a width of 5 cm, what is its area?

Back

50 cm²

Front

If a triangle has a base of 8 cm and a height of 5 cm, what is its area?

Back

20 cm²

Front

What is the perimeter of a rectangle that is 4 m long and 3 m wide?

Back

14 m

Front

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

Back

12 cm

Front

How do you find the height of a triangle if you know the area and the base?

Back

Height = (Area × 2) / Base

Front

What is the area of a rectangle that is 12 ft long and 8 ft wide?

Back

96 ft²