Question

Three angles of a quadrilateral are 100°, 90°,92° respectively.Find the value of fourth angle

Answer 1

Answer:

Step-by-step explanation:

The sum of the interior angles of a quadrilateral are equal to 360o. To find the fourth angle of a quadrilateral when the other three angles are known, subtract the number of degrees in the other three angles from 360

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Answer 2

Answer:

78

Step-by-step explanation:

By Angle Sum Property Say The Quadrilateral Was ABCD Then,

a+b+c+d=360

100+90+92+d=360

282+d=360

d=78