Question

If three angles of a quadrilateral are each equal to 55 degree ,then the fourth angle is ____?

Answer 1

Answer:

195

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Given, three angles of a quadrilateral are each equal to 55 degree

Let the fourth angle = α

Sum of the four angles of a quadrilateral = 360°

=> α + 55° + 55° + 55° = 360°

=> α + 165° = 360°

=> α = 360° - 165°

.•. fourth angle = 195°