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1.abc is a right isosceles triangle, and m is the midpoint of ac.

what are the coordinates of point c?
answer options
a.(a/2, 0)
b.(a, 0)
c.(a, a)
d.(0, a/2)

2.abc is a right isosceles triangle, and point m is the midpoint of ac. what are the coordinates of point m?
answer options
a.(a/2, 0)
b.(a, 0)
c.(a, a)
d.(0, a/2)