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Find sizes of unknown angles


Find sizes of unknown angles ​-example-1
User Plinth
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Answer:

here,

we know that sum of triangle is equal to 180° ∆

now,

30° + 66° + angle y = 180°

96°+ angle y = 180°

angle y = 180° - 96°

angle y = 84°

User Vayn
by
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