Answer:
D
Step-by-step explanation:
Answer:
Square I think
Step-by-step explanation:
Answer:
AB = 9
Step-by-step explanation:
The perpendicular bisector divides Δ ABC into 2 congruent triangles, that is
Δ ABD ≅ Δ ACD , then
AB = AC = 9
1. substitute:
4+(7-5)
2. simplify:
4+2
3. evaluate:
6
the answer is 6.