anonymousbooks1 anonymousbooks1
  • 15-04-2018
  • Mathematics
contestada

I need to find both of the X's and Y's. Can anyone help me

I need to find both of the Xs and Ys Can anyone help me class=

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iammichaeld iammichaeld
  • 15-04-2018
This is an isosceles triangle. This means that 3x is equal to (6x-21)

3x = (6x-21)
x = 7

Since x=7, you plug it into the equation it gives you. The two angles in the bottom right and bottom left are 21. All angles added together in a triangle are equivalent to 180. So 180-41=139. 

y=139


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