Question

Three angles of a quadrilateral are 60°, 86° and 110°. The fourth angle is••••••​

Answer 1

Answer:

Fourth angle is 104°.

Step-by-step explanation:

The sum of all sides of quadrilateral is

360°.

Let fourth angle be x.

60 ° + 86 ° + 110 ° + x = 360 °

256° +x = 360°

x = 360° - 256°

x =104°

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