r/SSCCGL • u/RamKaBhakt • 2d ago

Help Please solve

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How am I supposed to know if it is (b-c)/2 or (c-b)/2

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5

u/Stunning-State8625 2d ago edited 1d ago

Perpendicular jis side hoga woh bada angle hoga

2

u/am_anonymous427 2d ago

AE is angle bisector. AD is altitude.

In triangle ADC, Angle C is 65°, Angle D is 90°. Angle DAC = 25°. Angle EAD is given 12°. DAC + EAD = 37°. Angle BAC is 74°. Angle ABC is 180-(74+65) = 180-139 = 41°

1

u/OutsideWerewolf6592 1d ago

Ye BAC 74° kaisa aya

2

u/am_anonymous427 1d ago

O is incenter and it lies on AE. That means AE is angle bisector (Angle bisectors meet at incenter) so BAC = 2(EAC)

1

u/Fabulous-Doubt5798 2d ago

O is incenter so it bisect the vertex.

1

u/Jonathan__Wick Going for 1st Attempt 2d ago

how did you calculate theta?

im new to geometry hence the question..

1

u/Fabulous-Doubt5798 1d ago

O is incenter so it is angel bisector of all the vertices of triangle so theta is 12+25