Three copies of a triangle were rotated and positioned as shown.
Which statement is always true about the angles in the figure?
A. Angle a and angle b form a right angle
B. Angle a, angle b, and angle c, form a straight angle.
C. angle a, angle b, and angle c from a acute angle.
D. Angle a and angle c form a right angle
![Three copies of a triangle were rotated and positioned as shown Which statement is always true about the angles in the figure A Angle a and angle b form a right class=](https://us-static.z-dn.net/files/de2/c49e9508793dc2718f5a6dfe02b4e414.jpg)