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iren [92.7K]
3 years ago
12

How do you find the length inside a cube diagonally???

Mathematics
1 answer:
MrRissso [65]3 years ago
4 0
Solution:

We have: In the attached image, observe rectangle triangle ΔBAD
Use the Pythagorean Theorem:
BD = √(AB² + AD²)
BD = √(2² + 4²)
BD = √(4 + 16)
BD = √20

In the attached image, observe rectangle triangle ΔBDH
Use the Pythagorean Theorem:
BH = √(BD² + DH²)
BH = √(√20² + 5²)
BH = √(20 + 25)
BH = √45
BH = √(9 × 5)
BH = √9 × √ 5
BH = 3√5
BH = 3 × 2.24

BH = 6.72 cm

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3 years ago
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John read the first 114 pages of a novel, which was 3 pages less than 1/3 of the novel.
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Answer:

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Step-by-step explanation:

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3 years ago
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