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 sec
tion passing through the diagonal of opposite faces of this cube
1 answer:
Answer:
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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5 an hour plus 50
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Answer:
2x + 7 = 3x - 7
3x - 2x = 7 + 7
x = 14
2x + 7 + 12y + 1 = 180
2(14) + 12y + 8 = 180
28 + 12y + 8 = 180
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12y = 180 - 36 = 144
y = 144/12 = 12
x = 14, y = 12
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Answer:
40
Step-by-step explanation: