Answer:
A line perpendicular to another has a slope that is the negative reciprocal of the slope of the other line. The negative reciprocal of the original line is –2, and is thus the slope of its perpendicular line.
Step-by-step explanation:
Answer:
58
Step-by-step explanation:
The two angles are equal
Answer:
rational
Step-by-step explanation:
both 8 and 12 are rational and we are adding rationals number