3 years ago

Hey guys I need help on maths.

Mathematics

1 answer:

Pepsi [2]3 years ago

4 0

Answer:

x=122°

Step-by-step explanation:

sum of all interior angles in a quadrilateral = 360°

then ,

119+105+78+m = 360

m = 58

....

m+ x = 180 ( linear pair)

58+x = 180

x = 122

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