The Pythagoras is the sum of the square of two sides is equal to the square of the longest side. Then the length of the rectangular cross-section is 5 inches.
A triangular prism is a closed solid that has two parallel triangle bases connected by a rectangle surface.
A grocer has a block of cheese that has a length of 12 inches, a width of 4 inches, and a height of 3 inches.
Then he slices the cheese into two equal triangular prisms.
Let L be the length of the rectangular cross-section.
The length of the rectangular cross-section will be given by the Pythagoras theorem.
L² = 3² + 4²
L² = 9 + 16
L² = 25
L = √25
L = 5
More about the triangular prism link is given below.
https://brainly.com/question/2654102
