In triangle ABC angle B=45, angle=55 & AD bisects angle A, find angle ADB &angle ADC

Asked by sarubhatia6 | 5th Jul, 2014, 08:52: PM

Expert Answer:

angle B equals space 45 space angle C equals 55 angle A plus angle B plus angle C equals 180 angle A equals 180 minus left parenthesis 45 plus 55 right parenthesis equals 180 space minus 100 equals 80  L e t space angle B A D equals x space t h e n space angle A equals 2 x x equals 80 divided by 2 equals 40  angle A D B plus angle D A B space plus angle B equals 180 angle A D B equals 180 minus left parenthesis 45 plus 40 right parenthesis equals 180 minus 85 equals 95 angle A D C equals space 180 minus left parenthesis 55 plus 40 right parenthesis equals 180 minus 95 equals 85

Answered by Sanjana Dhopatkar | 7th Jul, 2014, 09:11: AM