Respuesta :

abidemiokin

Answer:

3√2

Step-by-step explanation:

Given the following;

DB = 3

CD = 6,

Required

find AD.

using the similarity property of a triangle

DB/AD = AD/CD

3/AD = AD/6

3*6 = AD²

18 = AD²

AD = √18

AD= √9*√2

AD = 3√2

Hence the measure of AD is 3√2

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