Question

The prism has a width of 7 cm and a height of 8 cm. The volume of the prism is 1,120 cm3. Which is the length of the prism?

Answer 1

Length of prism is 20 cm

Step-by-step explanation:

Width of prism= 7 cm

Height of prism = 8 cm

Volume of prism = 1120 cm^3

Length of prism= ?

Considering it a rectangular prism

Formula used to find Volume of prism is:

$Volume= Length*Width*Height$

Now, finding Length:

$Volume= Length*Width*Height\\1120=Length*7*8\\1120=Length*56\\Length=\frac{1120}{56}\\Length=20\,\,cm$

So, Length of prism is 20 cm

Keywords: Volume of prism

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