Please answer in the form of a number
1 answer:
Answer:
d ≈ 8.3
Step-by-step explanation:
This is kind of like the pythagorean theorem, but with one extra value. Thus,
.
Plug in the values to get:
![d^2=2^2+7^2+4^2\\d^2=4+49+16\\d^2=69\\d=\sqrt{69} \\](https://tex.z-dn.net/?f=d%5E2%3D2%5E2%2B7%5E2%2B4%5E2%5C%5Cd%5E2%3D4%2B49%2B16%5C%5Cd%5E2%3D69%5C%5Cd%3D%5Csqrt%7B69%7D%20%5C%5C)
Thus d ≈ 8.3
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