D. orthocenter
orthocenter is the point where the three "altitudes" of a triangle meet.
Answer:
A. 36
Step-by-step explanation:
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Two angles can be complementary angles add up to 90. So if you have a angle that is 30 and another one that is 60 those would be complementary because if you add them up they add up to 90.
Answer:
what is the figure
Step-by-step explanation: