Question

3 angles of a quadrilateral are 250°, 105°, & 75°. Find forth angle​

Answer 1

Answer:

70°

Step-by-step explanation:

250° +105° +75°+x=360° (sum of all angles of quadrilateral= 360°)

430°+ x = 360 °

x = 430° - 360°

x = 70°

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