Geometry-Straight lines.
2006-08-16 04:51:09 · 4 answers · asked by RANI 1 in Science & Mathematics ➔ Mathematics
using distance formula
AB = 5
AC = 2
If the angle bisector cuts BC at D the D divides BC in the ratio 5:2
using section formula
D is (10/7,15/7)
use two point form of a line to find the equation of AD
x-3y+5=0
2006-08-16 05:08:53 · answer #1 · answered by qwert 5 · 0⤊ 0⤋
it rather is uncomplicated to discover the equations of interior attitude bisectors of the tringle given the three sides. bear in mind ?ABC, equations of whose sides are given. fixing the equations of sides in pairs, coordinates of A, B and C is additionally worked out. to discover the equation of indoors bisector via A, detect a element on BC that divides part BC interior the ratio AB : AC from B. call this ingredient D. A line via A and D supplies the equation of the line containing the indoors attitude bisector via A. The equation would nicely be expressed contained in this form of a ray via ability of A passing via D as many authors of math e-e book pick to exhibit the interior attitude bisctor. For exterior attitude bisector, to discover ingredient D' on line BC which divides section BC interior the ratio - AB : AC from B and advert' is a line containing the exterior attitude bisector. in addition for attitude bisectors via B and C. Edit: Rozeta's determination is the proper pondering the shown fact that (i) it quickly finally ends up interior the respond with out plenty danger of making any errors. (ii) each the indoors as stable because of fact the exterior attitude bisectors are bought concurrently interior the comparable step and separate steps are not serious.
2016-12-14 06:41:07 · answer #2 · answered by ? 4 · 0⤊ 0⤋
a line coming out from point A bisects BC at point (1,1 1/2)... is that what u wana know?
2006-08-16 05:01:38 · answer #3 · answered by spencer k 2 · 0⤊ 0⤋
Which one ?????????
2006-08-16 04:58:18 · answer #4 · answered by ag_iitkgp 7 · 0⤊ 0⤋