1.

The three angles of a quadrilateral are 50°, 75° and 105º. Find its fourth angle.​

Answer»

Answer:

130°

Step-by-step EXPLANATION:

we know the sum of all ANGLE of a quadrilateral is 360°

so

let the fourth angle be X

x+50+75+105=360°

x+230=360

x=360-230

x=130°

if it is correct then MARK it as brainiest



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