A right rectangular prism has a length of 8 centimeters, a width of 3 centimeters, and a height of 5 centimeters. What is the surface area

Question

A right rectangular prism has a length of 8 centimeters, a width of 3 centimeters, and a height of 5 centimeters. What is the surface area of the prism? Enter your answer in the box. cm²

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Arya 1 week 2021-10-11T19:43:20+00:00 2 Answers 0

Answers ( )

    0
    2021-10-11T19:44:30+00:00

    Answer: 158cm^2

    Step-by-step explanation:

    You can use the following formula to calculate the surface area of the right rectangular prism:

    SA = 2(wl +lh + hw)

    Where “w” is the width, “l” is the length, and “h” is the height.

    Knowing that this rigth rectangular prism  has a length of 8 centimeters, a width of 3 centimeters and a height of 5 centimeters, you can substitute these values into the formula.

    Then, the surface of the right rectangular prism is:

    SA = 2[(3cm*8cm) + (8cm*5cm) + (5cm*3cm)]\\\\SA=158cm^2

    0
    2021-10-11T19:45:00+00:00

    Answer:

    Surface area of prism = 158 cm²

    Step-by-step explanation:

    Points to remember

    Surface area of rectangular prism = 2(lb + lh + bh)

    Where l – Length, b – Breadth and h – Height

    To find the surface area of prism

    Here l = 8 cm, b = 3 cm and h = 5 cm

    Surface area = 2(lb + lh + bh)

     = 2[(8*3)  + (8 * 5) + (3 *5)]

     = 2[24 + 40 + 15]

     = 2 * 79

     =158 cm²

    Surface area of prism = 158 cm²

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