Question

10. In the given figure, find x. *
3
A
5r -60°
2x + 40°
3x - 80%
с
B​

Answer 1

Step-by-step explanation:

angle sum property of traingle

angle (1+2+3) = 180

=> 5x - 60 + 2x + 40 + 3x - 80 = 180

=> 10x -100 = 180

=>10x = 280

=> x = 28

there fore x is 28

and angles are

5(28)-60=140-60=80

2(28)+40=56+40=96

3(28)-80=84-80=4

there fore angles are 80,96,4

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