Motivation

Which of these is the area formula of a triangle had the height h and the base a?

• a.h

• 2.a.h

Which is the formula to calculate the area of a square had the side a

Which of these is the volume formula of a sphere of radius R.

Which is the formula to calculate the area of a hexagon that has the side a?

Which of these is the area formula of a trapezoid that has the height h and two bases a and b?

Which of the following is the volume of a cube that its side’ length is a.

 Which of the following is the volume of a cone whose height is h and its base’s radius is r?

Which is the formula to calculate the volume of a prism that has the area of the base is B and the height is h?

Which of the following is the area of a rhombus that length of its two diagonal lines are a and b, respectively?

Which is the formula to calculate the area of an equilateral triangle that has the side a?