Use the short computational formula ( a + b )^{ 2 }

Use the short computational formula ( a - b )^{ 2 }

Use the short computational formula ( a - b )( a + b )

Use the short computational formula ( a + b + c )^{ 2 }

Calculate the perimeter of the parallelogram

Calculate the area of a parallelogram

Calculate the perimeter of the r rectangle

Calculate the area of the rectangle

Calculate the perimeter of the square

Calculate the area of the square

Calculate the perimeter of the rhombus

Calculate the area of the rhombus

Calculate the perimeter of the trapezoid

By learning math, you learn to think.