CD is an altitude of ACB. What is the length of AD? ОА. 10 ОВ. 20 OC. 12 OD. 11

Question

asked Mar 21, 2021 82.3k views

1 Answer

Rafik · Answer 1 · 2021-03-25T12:56:47+0000

Answer:

D. 11

CD is half the length of DB

Triangle ACD must be proportional to Triangle BCD

AD must be half the length of CD

Therefor, your answer is 11.