By their angles, as in a right triangle all the angles have the same degree.
Answer:
y = -1
Step-by-step explanation:
hopefully it helped
1/9 x 12 is 4/3 or 1.333 repeated
A) AB is where plane P and plane R intersect.
B) A, D, B are collinear (on the same line).
C) plane ADG (three points on the plane)
D) F, D, G, A are all on plane R
E) D lies on both planes.
the right answer is the second one B
