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

ОА. 10
ОВ. 20
OC. 12
OD. 11

CD is an altitude of ACB. What is the length of AD? ОА. 10 ОВ. 20 OC. 12 OD. 11-example-1
User Maxim Kholyavkin
by
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1 Answer

4 votes

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.

User Rafik
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3.5k points
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