Question

TRY THESE
2
1. In the given figure, if
∆1 = 30°, find ∆2 and ∆3.
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Answer 1

Answer:

answer is 75°

Step-by-step explanation:

1+2+3=180°

so, 180-30=2+3

2+3=150°

150÷2=75°

therefore,2 and 3 is 75°

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Answer 2

30°+y+y=180°

2y =180°-30°

2y=150°

y=150°/2

y=75..

therefore...angle2 and angle 3 =75°