Question

three angles of Quadrilatralare 75°, 90°, 75° find the fourth angle​

Answer 1

Answer:

according to the angle sum property of the quadrilateral the sum of all the angles is 360 degree

75 degree +90 degree+75 degree +x = 360 degree

240 degree + x =360 degree

x = 360 degree- 240 degree

x = 120 degree

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Answer 2

Answer:

the fourth angle is 120°

Step-by-step explanation:

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