Find the coordinate of the vertices of triangle ABC with A (1,2), B (3,3) and C (3.-1), after the triangle is reflected over the y-axis

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answer: the angel abc is 30°,and the abc is a triangle where the angel bac is 90°

so ac is the half of 24=12ft,and from the pythagorean theorem we find ba

ba=√bc^2-ac^2=√576-144=√432=12√3ft

so bac is 12+12√3=12(1+√3)ft

ƒ = 0.03b

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