I think this one is A because the two lines have one fixed point (the vertex)
10. ___ are used to show that angles have the same measure on a diagram
Arcs? It's the only option that makes sense but I'm not 100% positive. I would appreciate it if someone could check these two!!
#10 correct. Just as little tick marks are used to indicate congruent sides,
arcs (1,2,3.. for different angle measures) indicate angle congruency.
okay thank you so much! I forgot what arcs were lol.
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