10
QuizMultiple Choice

Reflections — Quiz

Question 10 • Mathematics I

Which triangle must be a right triangle and why?

Answer
A
triangle BGC is right because over left right arrow EG perpendicular to line segment CC prime .
B
triangle ADC is right because line segment AA prime intersects line segment AC at cap A .
C
triangle BCC prime is right because cap b lies of the line of reflection.
D
triangle cap A prime cap b prime cap c prime is right because it is the image of triangle ABC .