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ani61
04.06.2021 •
Mathematics
Find the magnitude and direction of AB vector joining point A(9,12) and B(8,11)
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Ответ:
Step-by-step explanation:
x1=9 x2=8 y1=12 y2=11
=x2-x1
y2-y1
=8-91
1-12
=-1
-1
magintude =![\sqrt{(xcomp)^2+(y comp)^2](/tpl/images/2391/9674/54e00.png)
=![\sqrt{(-1)^2+(-1)^2](/tpl/images/2391/9674/01270.png)
=![\sqrt{1+1](/tpl/images/2391/9674/02413.png)
=![\sqrt{2](/tpl/images/2391/9674/f9cc8.png)
direction=y component/x component
tan=-1/-1
tan=1
=45 degree
both x component and y component are negative so it lies on third quadrant.
Ответ:
its 56 sun
Step-by-step explanation: