Question

In a triangle ABC, <A=3x°,<C=x° and <B=60° Therefore <A= dash
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Answer 1

Answer:

according to the angle sum theory,

<A + <B + <C = 180 degree

3x + 60 + x = 180 degree

4x = 180- 60 degrees

4x = 120 degrees

x = 120/4

x= 30 degrees

Therefore, <A = 3x = 3 × 30 degrees = 60 degrees.

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