The image of δabc after a reflection across is δa'b'c'. which triangle must be a right triangle and why? δa'b'c' is right because it is the image of δabc. δadc is right because aa' intersects ac at a. δbcc' is right because b lies of the line of reflection. δbgc is right because cc'.

Find two rational expressions that have the difference of 2-n/n-4

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

Two lines that do not intersect are skew. always sometimes or never