Evidence Check Area and Perimeter of 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 rectangle?

Back

Perimeter = 2 * (Length + Width)

Front

What is the perimeter of a square with a side length of 5 cm?

Back

Perimeter = 4 * Side = 4 * 5 cm = 20 cm

Front

What is the formula for the area of a rectangle?

Back

Area = Length * Width

Front

If a square has a perimeter of 24 cm, what is the length of each side?

Back

Side = Perimeter / 4 = 24 cm / 4 = 6 cm

Front

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

Back

Area = Side * Side = 4 cm * 4 cm = 16 cm²

Front

How do you find the area of a triangle?

Back

Area = 1/2 * Base * Height

Front

What is the area of a rectangle with a length of 10 inches and a width of 5 inches?

Back

Area = Length * Width = 10 in * 5 in = 50 in²

Front

What is the formula for the perimeter of a polygon?

Back

Perimeter = Sum of the lengths of all sides

Front

If a trapezoid has bases of 8 cm and 12 cm and a height of 5 cm, what is its area?

Back

Area = 1/2 * (8 cm + 12 cm) * 5 cm = 50 cm²