Question

question is png please answer the questions​

Answer 1

Answer:

1) according to angle sum property

sum of all interior angles of a triangle = 180°

so

45° + 30° + x = 180°

75° + x = 180°

x = 180° - 75° = 105°

2) according to angle sum property

sum of all interior angles of a triangle = 180°

so

90° + 30° + x = 180°

120° + x = 180°

x = 180° - 120° = 60°

3) there is a property of triangles stating " exterior angle of a triangle = sum of two opposite interior angles"

so

x = 60° + 65° = 125°

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