In ∆XYZ, XY == YZ = 6 cm, ∠Y = 90°, then it is a ______ triangle.
A. Isosceles
B. Right-angled
C. Right-angled isosceles
D. Equilateral
Answer:C
In ∆XYZ, XY == YZ = 6 cm, ∠Y = 90°, then it is a ______ triangle.
A. Isosceles B. Right-angled C. Right-angled isosceles D. Equilateral