Given the diagram below, find the value of X and measurement of angle A (it would be ok if X value is negative)
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I hope you will help full with my answer
Step-by-step explanation:
supposed AbC is a triangle
A=3x+8
b=4x+5
c=83°
all angle is =180°
(3x+8) + (4x+5) + 83°=180°
7x+13+83°=180°
7x+13=180°-83°
7x+13=97
7x=97-13
7x=84
x=84/7
x=12 ans:
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