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I really don't understand this. plzz help

I really don't understand this. plzz help-example-1
User Jetlej
by
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1 Answer

1 vote

Answer:

x = 25

Explanation:

In any triangle, the sum of all 3 angles is ALWAYS 180 degrees. So we can make this into an equation.

4x + 2x+ 10 + x - 5 = 180

Now we combine the like terms.

7x + 5 = 180

Subtract 5 from both sides.

7x = 175

Now divide by 7 on both sides.

x = 25

User Fariborz Ghavamian
by
6.5k points