Question

In a ∆ABC, AB= AC and < ACD =110⁰, Find all the three interior angles of the triangle.

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Answer 1

Answer:

this is an isoscale triangle

so ,

in isoscale triangle two sides and two angles are equal

accoding to question

AB= AC

angle A= angle D (isoscale triangle property)

Let angle A= x So. angle D = x angle C = 110 (given )

according to triangle sum theorem

x+x+110° = 180°

2x = 180°-110 °

2x = 70°

x = 70/2

x= 35°

so both the angles are of 35°