Rectangular pyramid has a length of 7 cm and a width of 9 cm its volume is 231 cm³ use the formula for the volume of a pyramid to calculate the height of the pyramid, show all your work. Explain it in 1 to 2 sentences.
Volume of a rectangular pyramid = (1/3) x Base area x Height
231 cm³ = (1/3) x (7 cm x 9 cm) x Height
231 cm³ = (1/3) x 63 cm² x Height
231 cm³ = 21 cm² x Height
Height = 11 cm
The height of the rectangular pyramid is 11 cm, and it was calculated using the formula for the volume of a pyramid.