Three interior angles of a quadrilateral have measures of 111°, 134°, and 69º. Whats the fourth angle measure?

Mathematics

2 answers:

steposvetlana [31]3 years ago

7 0

Answer:

Step-by-step explanation:

sum of for angles of a quadrilateral=360

111+134+69+x=360

314+x=360

x=360-314=46

fourth angle=46°

Anton [14]3 years ago

3 0

All angles of a quadrilateral add up to 360 degrees, so 111+134+69+x=360

Solving it we get:

314+x=360
x=46 degrees.

I hope this helps!

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