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Sagot :
Answer:
x = 17.5
Step-by-step explanation:
the segment inside the triangle is an angle bisector and divides the opposite side into segments that are proportional to the other 2 sides, so
[tex]\frac{7}{4}[/tex] = [tex]\frac{x}{10}[/tex] ( cross- multiply )
4x = 70 ( divide both sides by 4 )
x = 17.5
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