We know  x = 4.907 and b = 13.089.  Substitute these values into the equation
4.907 +a = 13.089
Subtract 4.907 from each side
4.907 - 4.907 +a = 13.089-4.907
a =8.182
Answer from: Quest
In the first triangle 80+20+p=180 (since sum of all angles of a triangle is 180)so p= 80also in second triangle 55+45+q=180 (since sum of all angles of a triangle is 180)so q=80so we can conclude that p=80 degrees q=80 degrees so p=q=80 degreeshence option b is correct
Answer from: Quest
The answer is something i don’t know
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