Question

Two angles of a triangle are of measures 115° and 30°. Find the measure of the third angle.

Answer 1

Answer:

let the third angle is =x

a/q

      x+115°+35°=180°

      x+150°=180°

      x=30° answer...........

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Answer 2

Answer:

let third angle be x

a = 115°

b = 30°

c = x°

By angle sum property

a + b + c = 180°

115° + 30° + x = 180°

145° + x = 180°

x = 180° - 145°

x = 35°