natalie407888
23.03.2021 •
Mathematics
E is the point (-2,5) and G is the point (2, -3). Find:
The coordinate of F, the midpoint of EG.
The gradient of EG.
The equation of the perpendicular bisector of EG.
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Ответ:
Answer is in the photo. I can't attach it here, but I uploaded it to a file hosting. link below! Good Luck!
cutt[dot]ly/lxkFVRg
Ответ:
set quadratic equations and use the pythagorean identity (21-x)^2+(42-X) ^2=(45-x)^2
expand and distribute both sides to get quadratic equation x^2-36x+180=0, and find x to be 6cm