Question

c. In AABC, BC is produced to D, LA = LB, LACD = 136° , find the measure of each angle of
the triangle with reasons.
[4]​

Answer 1

Answer:

7th

Maths

The Triangle and Its Properties

Isosceles and Equilateral Triangles

In a triangle ABC, AB = AC....

MATHS

In a triangle ABC, AB=AC. The base BC is produced to D and ∠ACD=130

0

. Then ∠A equals

241735

EASY

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ANSWER

Given: AB=AC, ∠ACD=130

∠ACD+∠ACB=180 (Linear pair)

130+∠ACB=180

∠ACB=50

∘

Now, In △ABC,

∠ABC=∠ACB=50 (Isosceles triangle property)

Sum of angles = 180

∠ABC+∠ACB+∠BAC=180

50+50+∠BAC=180

∠BAC=80

∘

Step-by-step explanation:

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