Question

the base of a rectangular prism measures 7 cm by 9 cm. the height of the prism is 11 cm. what is the volume of the prism? 231 cm³ 231 cm² 693 cm³ 693 cm²

Explanation:

Step1: Calculate base - area

The base is a rectangle with length $l = 9$ cm and width $w = 7$ cm. The area of the base $A_{base}=l\times w=9\times7 = 63$ cm².

Step2: Calculate volume

The volume of a rectangular prism $V=A_{base}\times h$, where $h = 11$ cm. So $V=63\times11=693$ cm³.

Answer:

C. $693$ cm³