Please help ! will mark brainly-ist if it is an accurate answer.
1 answer:
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Answer:
Thickness of rectangle prism is <em>20 inches.</em>
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Step-by-step explanation:
Given:
Surface area of rectangular prism, A = 992 sq inches.
Height, h = 12 inches
Width, w = 8 inches
To find:
Thickness / length of prism, = ?
Solution:
First of all, let us learn the formula for surface area of a rectangular prism.
Formula for surface area of a prism is given as:
As there are 6 faces, each face is a rectangle and area of all the faces is considered in the formula. It is just like a cuboid like structure.
Putting all the given values in the formula to find the value of :
So, the answer is Thickness of rectangle prism is <em>20 inches.</em>