Question

If the three angles of a quadrilateral are 45°, 105° and 80°, then find the measure of the fourth angle.

Answer 1

Step-by-step explanation:

if a quadrilateral =360

let fourth angle is =x

45+105+80+x=360

230+x=360

x=360-230

x=130

Answer 2

Answer:

Answer=130°

Step-by-step explanation:

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