Question

In the adjoining figure, ABC is a triangle in
which AD is the bisector of angle A. If AD parallel BC,
show that triangle ABC is an isosceles triangle.
Give reasons in support of your answer.​

Answer 1

Answer:

PROVED ABC IS AN ISOSCELES TRIANGLE

Step-by-step explanation:

In triangle ABC

Angle a bisector and perpendicular AD.

Now, angle BAD= angle CAD

and AD is perpendicular so,angle ADB = angle ADC =90 degree

AD is the common in both triangle ADB&ADC So,both triangle are congruence.

SO, AC=AB

SO,IT IS PROVED THAT TRIANGLE ABC IS ISOSCELES TRIANGLE

Answer 2

Answer:

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Step-by-step explanation:

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