Math, asked by ar2950, 6 months ago

Find the unknown angles,

Please help me friends :(

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Answers

Answered by BiSwAjIt3421

0

1) 40°

2)65°

3)75°

............

Answered by Anonymous

4

$\angle \: 1 = 40 \degree \: (alternate \: interior \: angles) \\ \\$

/_ 1 + /_ 2 + 75° = 180° (linear pair)

40° + /_2 + 75° = 180°

115° + /_ 2 = 180°

/_ 2 = 65°

Now, in∆

40° + 2 + 3 = 180° ( angle sum Property)

40°+65° +3 = 180°

/_3 = 75°

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