Answer:
x=15
Step-by-step explanation:
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In this problem your going to need to find volume.
The formula for volume of a rectangular prism (Which is what we are trying to find)
Is Volume = Length x Height x Width
So in your problem we can create the equation:
7 x 4 x 12 = Your answer.
7 x 4 = 28
28 x 12 = 336.
Your going to need 336 feet^3 (D)
Hope this helps!
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The sum of measures of angles A and B is 90°
Hence the angles are complementary
- As complementary angles have sum 90°
The answer for 7 x 42 is 294.