Question

hey mates please answer above question it is very important for me ​

Answer 1

Answer:

let the three equal angel be x

a/q

x+x+x+120=360

3x+120=360

3x=360-120

3x=240

x=80

hence three equal angel =x=80

Answer 2

Answer:

sum of all angles in a quadrilateral is equal to 360 degrees..

let the other angle be x

x+x+x=3x

120+3x=360

3x=240

x=240/3

x=80°

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