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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

Sagot :

When refelected over y the coordinates (x, y) becomes (-x , y)

A(1, 2) ⇒ A'(-1, 2)

B(3, 3) ⇒ B' (-3, 3)

C( 3, -1 ) ⇒ C' (-3 -1)