02875 02875
  • 16-01-2021
  • Physics
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This is very hard, I don't understand.

This is very hard I dont understand class=
Relax

Respuesta :

manissaha129
manissaha129 manissaha129
  • 16-01-2021

Answer:

[tex]4x - 6 = 90 \\ 4x = 96 \\ \boxed{x = 24}[/tex]

Now, AD is an altitude of∆ABC

Therefore, D is the midpoint of BC

[tex]x + 7 = 2x - 15 \\ \boxed{x = 22}[/tex]

CD is (22+7) = 29 & DB is (2×22-15) = 29

[tex] \huge \boxed{\: x = 24 }\\ \huge \boxed{CD \: and \:DB= 29}[/tex]

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