Answer:
Option 3.
Step-by-step explanation:
It is given that a triangle sits on a line and forms 2 exterior angles on the left and right of the triangle of (2h) degrees.
The top interior angle of the triangle is 40 degrees.

From the given figure it is clear that
(Supplementary angle)

(Supplementary angle)

According to the angle sum property of triangle, the sum of all interior angles of a triangle is 180 degree.
Combine like terms.
Divide both sides by -4.

The value of h is 55.
Therefore, the correct option is 3.
It looks like you’ve figured it out lol but if u need help ask me me
Answer:
ok the answer is = 0
Step-by-step explanation:
I USED PHOTOMATH
Answer: 9
Step-by-step explanation: its very simple , first take the -2 out of the parenthesis and put is as 10-2+1 which is positive 9 because 10-2=8 and plus 1 is 9.
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