Answer:
The answer is 138*
Step-by-step explanation:
The next one is 7
And the length of side X is 47m
The building is 31m tall
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We have to know the angle that is not labelled. (lets call it y)
9x + y= 180
and the sum of the angles of a triangle is 180
5x + (9+x) + y=180
2 simultaneous equations
No thers not a trend because a trend need to be in a strait line and thers not a strait line in the photo
