Find the measurement of the base. 3.5 in Area = 12.6 in?
1 answer:
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Answer:
The area of the resulting two-dimensional cross-section is 12 cm².
Step-by-step explanation:
The area of the cross-section of the right rectangular prism, parallel to the base, is given by the area of a rectangle:
Where:
: is the area of the cross-section
: is the area of a rectangle
a: is the length of one side of the rectangle = 4 cm
b: is the length of the other side of the rectangle = 3 cm
Hence, the area of the cross-section is:
Therefore, the area of the resulting two-dimensional cross-section is 12 cm².
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