It is true because if a is perpendicular to b and b is perpendicular to c therefore a has to be perpendicular to c also they said that all three lines are coplanar therefore the statement must be true
I hope this helped you out :)
Answer:
C
Step-by-step explanation:
Sorry if its wrong bro
Answer:
the answer is X > 9
Step-by-step explanation:
you divide move the 2 to the other side and divide by 18