Question

in a quadrilateral first angle is 60 degree second is 120 degree third angle is 60 degree then what is the measurement of fourth angle

Answer 1

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According to angle sum property of quadrilateral ;-

Let fourth angle be x

60 + 120 + 60 + x = 360

120 + 120 + x = 360

240 + x = 360

x = 360 + 240

x = 120

Therefore, fourth angle is 120°

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Answer 2

First angle = 60°

Second angle = 120°

Third angle = 60°

Let, the fourth angle be x

ATP

60+120+60+x = 360

=) 240+x = 360

=) x = 360-240

=) x = 120

Ans:- The fourth angle is 120°

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