What is the perimeter of the base of the rectangular prism shown below?

40 cm

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30 cm

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28 cm

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78 cm

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Solution

The correct option is B 30 cm
Perimeter of the base, EHFG = Sum of all the edges in the base

= EF + FG + GH + EH

= 2 (EF + FG) (Since EFGH is a rectangle)

= 2 (8 + 7) = 30 cm

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What is the perimeter of the base of the rectangular prism shown below?

The correct option is B 30 cmPerimeter of the base, EHFG = Sum of all the edges in the base = EF + FG + GH + EH = 2 (EF + FG) (Since EFGH is a rectangle) = 2 (8 + 7) = 30 cm

The correct option is B 30 cm
Perimeter of the base, EHFG = Sum of all the edges in the base

= EF + FG + GH + EH

= 2 (EF + FG) (Since EFGH is a rectangle)

= 2 (8 + 7) = 30 cm