Question

three Angeles of a quadilatrel is 120,130,10 what is the fortu angle​

Answer 1

Answer:100°

Step-by-step explanation:

Let the fourth angle=x

Total sum of angles of quadrilateral is 360°

=> 120°+130°+10°+x=360°

=>260°+x=360°

=> x=360°-260°=100°

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Answer 2

Step-by-step explanation:

$120 \: degree = obtuse \: angle \\ 130 \: degree = obtuse \: angle \\ 10 \: degree = acute \: angle$

obtuse angle:

an angle whose measure is more than 90 degree but less than 180 degree is called an obtuse angle.

Acute angle:

An angle whose measure is more than 0 degree but less than 90 degree is called an acute angle.

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