Answered

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Hannah has a rectangular prism with a length of 7 cm, a width of 2 cm,
and a height of 6 cm.
What is the surface area of Hannah's rectangular prism?

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Answer:

Area =136cm²

Area =2(wl+hl+hw)=2·(2·7+6·7+6·2)=136cm²

The required surface area of the rectangular prism is 396 cm².

Given that,
Hannah has a rectangular prism with a length of 7 cm, a width of 2 cm, and a height of 6 cm.
The surface area of the rectangular prism is to be determined.

What is a rectangular prism?

A rectangular prism is a transparent solid of cuboid shape, Whose opposite faces are congruent.

What is surface area?

The surface area of any shape is the area of the shape that is faced or the Surface area is the amount of area covering the exterior of a 3D shape.


The surface area of the rectangular prism is given by
Surface area = 2( length * width + width * height + height * length )
                     =  2 (7 * 12 + 12 * 6 + 6 * 7)
                     = 396 cm²

Thus, the required surface area of the rectangular prism is 396 cm².

Learn more about the surface area here:
https://brainly.com/question/2835293

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