Question

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Answer 1

x=15

biggest angle is 110-2x

Explanation:

Answer 2

The sum of the interior triangles in a triangle is 180, so if we add all the angle measures together, we should get 180. Therefore, we can make an equation like this,

`110-2x+x+50+5x-40=180`

Simplify this.

`4x+120=180`

`4x=60`

`x=15`

Now we can find each angle measure.

`110-2x`

`110-2(15)`

`110-30`

`80`

`x+50`

`15+50`

`65`

`5x-40`

`5(15)-40`

`75-40`

`35`

So the angle labeled
`110-2x` is the largest angle in the triangle.