2 years ago

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

Mathematics

1 answer:

Simora [160]2 years ago

7 0

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.

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