Question

9) q An tirangle ABC, is AB=15° and B-C=30, then angles A, B, C are​

Answer 1

Answer:

sum of angles is =180 °

AB= 15°

BC= 30°

AC= ?

So,AC is x

15+30+x= 180°

45+x= 180°

x= 180°-45°

Therefore angleAC =135°

SO,AB+BC+AC= 180°

15°+10°+135°=180°

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