Answer:
B
Step-by-step explanation:
Not much to say but that i the definition. Â You sing the midpoint of each side, make a perpendicular line and see where the three perpendicular bisectors intersect. Â
A is the incenter, C sounds like the Orthocenter and D sounds like the centroid.
Aside from being able to tell from the parts of the words, you just kinda have to memorize these. Â