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If we draw dis one in cartesian plane , we have a point {0,19}
and {1.8,0} x=-1.8 and +1.8;



base= 10.56+10.56

2 5 2
how did it became 10.56?
take note that 1.8 is the slope or the slant line...m=y2-y1/x2-x1=19-0/0-x=; 1.8= 19/-x; -1.8x=19; x=-10.56...(2nd quadrant) add 10.56 from the origin going to 1st qdrant ,since it is an isosceles w/ a line perpindicular (o,19).
wait.. from -1.8x=19, how come did it become 10.56? Did you transpose -1.8 to the right or what?
x=19/-1.8 =-10.56..(divide) this in 2nd quadrant ..another +10.56 in 1st quabrant.
ahhh thank youuu!
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