mcmillanolivia2020 mcmillanolivia2020
  • 20-01-2021
  • Mathematics
contestada

Find the value of x.

Find the value of x class=

Respuesta :

jcherry99
jcherry99 jcherry99
  • 20-01-2021

Answer:

Step-by-step explanation:

By similar triangles (use the two smaller ones

7 / x = x / 3         Cross multiply

x^2 = 21              Take  the square root of both sides

√x^2 = √21

x = √21

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