Question

Two angles of a triangle are 135º and 15°. Find the third angle.​

Answer 1

135° + 15° + x° = 180°

150° + x° = 180°

x° = 180° - 150 °

x° = 30°

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Answer 2

Answer:

Given two angles of triangle 135° and 15°

let the third angle be x

Step-by-step explanation:

135° + 15° + x =180° (angle sum property)

150° + x = 180°

x = 180° - 150°

[ x = 30° ]