Triangle B has vertices (−1, 2), (1, 2), and (−1, 1).
Which triangle is similar to triangle B?
Triangle X with vertices (−2, 4), (2, 4), and (−2, 2)
Triangle Z with vertices (−2, 4), (2, 4), and (−2, 3)
Triangle Y with vertices (−1, 4), (1, 4), and (−1, 2)
Triangle W with vertices (−2, 0), (2, 0), and (−2, −1)