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the surface area of a rectangular prism is 190 square inches the length is 10 inches and the width is three inches find the height

User Glenrothes
by
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1 Answer

10 votes

Answer:

h=5in

Explanation:

The following areas are equal:

1. Front and Back.

2. Left and right.

3. Top and Bottom.

Therefore, we calculate 3 areas and

multiply each by 2 to get the 6 areas:

As=2(3*h) + 2(10*h) + 2(10*3)=1901n^2.

6h + 20h + 60 = 190,

26h = 190 - 60 = 130,

h = 5in.

User Dsmtoday
by
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