Question

Three angles of a quadrilateral are 75°, 85°, 100°. What is the measure of the fourth angle of the quadrilateral?
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Answer 1

Answer:

three angles are 75 , 85, 100

as we know,

sum of all angles of a quadrilateral is 360. there fore the fourth angle is 100

Answer 2

Answer:

100°

Step-by-step explanation:

please have a look at the attachment.