Question

if two angles of a triangle are 30 and 105,then the third angle will be____

Answer 1

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The sum of all angles of a triangle is 180.

Let the third angle be x.

30+105+x=180
135+x=180
x=180-135
x=45° answer..
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Answer 2

Hey buddy!!

Angle 1 = 30°

Angle 2 = 105°

Let Angle 3 = w

So,

By angle sum property of a triangle,

Angle 1 + Angle 2 + Angle 3 = 180°

=> 30° + 105° + w° = 180°

=> w° = 180° - 135°

=> w° = 45°


So,

Angle 3 = 45°