Respuesta :

linandrew41

To find the volume of a rectangular prism:

  ⇒ must know the formula

       [tex]Volume = length*width*height[/tex]

        ⇒ basically all the side lengths multiplied together

Solve:

 [tex]Volume = 2\frac{1}{2}*2*1\frac{1}{2} =\frac{5}{2}*2*\frac{3}{2} =\frac{15}{2}units^3[/tex]

Answer: The volume is 15/2 cubic units
Answer :

7 1/2 cubic units

Note :
2 1/2 = 2 + 1/2 = 4/2 + 1/2 = 5/2

1 1/2 = 1 + 1/2 = 2/2 + 1/2 = 3/2

Formula:
Volume of a rectangular prism = base × height
__________
base = (2 1/2) × 2 = (5/2) × 2 = 5
Therefore
The Volume of the rectangular prism = 5 × (1 1/2) = 5 × (3/2) = 15/2 = (14+1)/2 = 14/2 + 1/2 = 7 + 1/2 = 7 1/2

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