Question

Three angles of a quadrilateral are 75", 75" and 90°. Write fourth angle of the quadrilateral
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Answer 1

Answer:

120

Step-by-step explanation:

Answer 2

Step-by-step explanation:

75°+75°+90°+x =360°[angle sum

property of A quadrilateral]

>240°+x=360°

>x=360°-240°

>x=120°

so the fourth angle is 120°

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