92 POINTS PLS HELP ASAP. I'LL MARK BRAINLIEST
2 answers:
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Answer:
Step-by-step explanation:
One of the methods is to first split the face and the denominator of the fraction into first bases:
Let's simplify:
Answer:
B. A rectangle, 4 in by 3 in
Step-by-step explanation:
The foam has the shape of a cuboid with base of 10 in by 4 in and height of 3 in.
The foam has a front elevation of a rectangle with dimension of 4 in by 3 in. It has a left elevation of dimension 10 in by 3 in and a plan of dimension 10 in by 4 in.
If the foam is cut along the red line, the exposed face would be the same as the shape of the front elevation. Hence the shape of the cross section would be a rectangle with dimension of 4 in by 3 in.
