thr length of the side of a triangle are 5cm 12cm 13cm . find the length of perpendicular form the opposite vertex to the side whose length is 13cm.
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the length of perpendicular is either 5sinxor 12cosx sinx =12/13 so length is 5×12/13=60/13
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Let "x" be the length of unknown side BD.
♦️5/13=x/12
♦️5×12=13x
♦️X=60/13.
♦️5/13=x/12
♦️5×12=13x
♦️X=60/13.
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