marahsenno
marahsenno marahsenno
  • 15-03-2019
  • Mathematics
contestada

I need help on number 3 please

I need help on number 3 please class=

Respuesta :

gmany
gmany gmany
  • 16-03-2019

Answer:

[tex]\large\boxed{x=10}\\\\\boxed{40^o,\ 50^o,\ 90^o}[/tex]

Step-by-step explanation:

We have the right triangle. The sum of the angles measured in the right triangle is 90 °. Therefore we have the equation:

[tex]4x+(6x-10)=90[/tex]

[tex]4x+6x-10=90[/tex]                   add 10 to both sides

[tex]10x=100[/tex]           divide both sides by 10

[tex]x=10[/tex]

The measure of angles:

Put the value of x to the eqpressions:

[tex]6x-10\to6(10)-10=60-10=50\\\\4x\to4(10)=40[/tex]

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