aarionna8
24.03.2021 •
Mathematics
Find the value of x to the nearest tenth. You must show work to receive credit for this problem.
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Ответ:
Step-by-step explanation:
from the picture we got angle HFG is 45 degree.
let x is the length of HF
we got sin45=sqrt(8)/x
1/sqrt(2)=sqrt8/x
x=sqrt16
x=4
note that x is the length of HF
let y is the length of HE
use pythagorean theory
3^2+4^2=y^2
9+16=y^2
25=y^2
5=y
so tanE is x/y
tanE=4/5