Question

In ΔABC, AD and CE are the bisectors of angle A and angle C respectively. AD and CE intersect at O. If angle ABC = 90 deg, then find angle AOC.

SUPER URGENT!!!! PLEASE!!!!!

Answer 1

SEE THE ATTACHMENT FOR THE ABOVE QUESTION

b9c06087e236b04a2cb9559f440adb46.doc

Answer 2

Angle AOC = exterior angle of triangle AOE
                   = angle EAO + angle AEO
                   = A/2 + exterior angle of triangle EBC
                  = A/2 + B + C/2 = B + (A+B)/2
                   = 90 + 90/2 = 135 degrees
A+B = 90 as ABC is a right angle triangle