1.

In triangle ABC , AD is the bisector of angle A, If AD bisects Bc, Prove that AB = AC​

Answer»

Answer:

ASA CRITERIA

Step-by-step explanation:

now there are TWO TRIANGLES which are triangle ADB and triangle adc

we can prove that the two triangles are equal/congruent through ASA criteria

AD = AD                   [ common line]

ANGLE DAB = angle DAC          [ AD is the angle bisector ]

the base angles are also equal that is 90 degree each

hence,proved by cpct [ corresponding parts of congruent traingle are equal]

AB=AC



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