jessisaacs04 jessisaacs04

12-01-2021
Mathematics

contestada

find the value of x.

find the value of x class=

Respuesta :

jcherry99 jcherry99

12-01-2021

Answer:

Step-by-step explanation:

By similar triangles, you get

3/BD = BD/7

BD^2 = 21

BD = √21

Now you use Pythagoras to get x

7^2 + BD^2 = x^2

49 + 21 = x^2

60 = x^2

x = √60

7.746

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