Two lines<span> that intersect and </span>form right angles<span> are </span>called<span> perpendicular </span>lines<span>. The symbol ⊥ is used to denote perpendicular </span>lines<span>.
Hope this helped!</span>
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Answer:
if you want 12 x 12 - 1 it is 143
Answer:
0
Step-by-step explanation:
use a slope calculator