The edges of a cube are 5 cm each and the diaganol of a face is approximately 7 cm what is the approximate area of the cross section passing through the diagonal of opposite faces of this cube

The approximate area is 35 square centimeters

Step-by-step explanation:

we know that

The cross section passing through the diagonal of opposite faces of the cube is a rectangle

so

the approximate area is equal to

where

b is the diagonal of a face

h is the length side of the cube

we have

substitute

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answer: for each 3 girls there is 2 boys . 3: 2

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