Question

In triangle ABC ,AD bisect angle A and AD=DC And angle B=2C FIND angle A ,B,C​

Answer 1

Step-by-step explanation:

in∆ ADC it is a right angle triangle

AD=DC

IT MEANS

angle ADC =45°{side opp. equal angle are equal

angle ACD=45°

and in∆ ABD it is also a right angle triangle

AD bisect angle A

BAD=CAD

BAD= 45°

90°+45°+ABDangle =180°

<abd= 45°

so angle A=90°

B angles is =45°

and angle C=45°

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