# Given 2 rectangular prisms: 1st (1mxx2mxx2m) 2nd (1mxx2mxx4m) Find the combined V.

Given 2 rectangular prisms:
1st $$\displaystyle{\left({1}{m}\times{2}{m}\times{2}{m}\right)}$$
2nd $$\displaystyle{\left({1}{m}\times{2}{m}\times{4}{m}\right)}$$
Find the combined V.

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l1koV
$$\displaystyle{\underset{{\bot{h}}}{{{V}}}}={\underset{{{1}}}{{{V}}}}+{\underset{{{2}}}{{{V}}}}$$
$$\displaystyle{V}={a}{b}{c}$$
Where a, b and c are the length, width and hight.
$$\displaystyle{\underset{{{1}}}{{{V}}}}={1}\times{2}\times{2}={4}{m}^{{3}}$$
$$\displaystyle{\underset{{{2}}}{{{V}}}}={1}{m}\times{2}{m}\times{4}{m}={8}{m}^{{3}}$$
$$\displaystyle{\underset{{\bot{h}}}{{{V}}}}={4}{m}^{{3}}+{8}{m}^{{3}}$$
$$\displaystyle={12}{m}^{{3}}$$