Area and Perimeter Mixed Polygons

Front

What is the formula for the area of a trapezoid?

Back

Area = (1/2) * (Base1 + Base2) * Height

Front

How do you calculate the perimeter of a triangle?

Back

Perimeter = Side1 + Side2 + Side3

Front

If a rectangle has an area of 45 square inches and a width of 3 inches, what is the length?

Back

Length = Area / Width = 45 / 3 = 15 inches

Front

What is the area of a rectangle with a length of 10 ft and a width of 7 ft?

Back

Area = Length * Width = 10 * 7 = 70 ft²

Front

If the area of a rectangle is 72 cm² and the length is 9 cm, what is the width?

Back

Width = Area / Length = 72 / 9 = 8 cm

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 area of a square with a side length of 5 cm?

Back

Area = Side * Side = 5 * 5 = 25 cm²

Front

How do you find the area of a triangle?

Back

Area = (1/2) * Base * Height

Front

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

Back

Perimeter = 4 * Side = 4 * 4 = 16 m