Question

Triangle ABO similar to triangle DCO .If AB=6,CD=3,AD=4.Find DO?

Answer 1

Given :- Triangle ABO similar to triangle DCO .If AB = 6, CD = 3, AO = 4. Find DO ?

Solution :-

given that,

→ ∆ABO ~ ∆DCO .

we know that, when two ∆'s are similar,

• Three pairs of corresponding sides are proportional.

so,

→ AB/DC = BO/CO = AO/DO

then,

→ AB/DC = AO/DO

putting given values we get,

→ 6/3 = 4/DO

→ 2/1 = 4/DO

→ 2DO = 4

→ DO = 2 (Ans.)

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