What is the value of X?
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Answer:
x = 5
Step-by-step explanation:
Sum of interior angles = 180
so
10x - 4 + 8x + 3 + 91 = 180
18x + 90 = 180
18x = 90
x = 5
Answer:
X = 5 degrees
Step-by-step explanation:
the sum of all interior angle of a triangle is 180