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I have tried multiple different ways and it is still wrong. I need some help figuring out what I am doing wrong.

I have tried multiple different ways and it is still wrong. I need some help figuring-example-1

1 Answer

3 votes

Answer:


m\measuredangle5=90+3x

Explanation:

If it is given that it is an isosceles triangle, then its base angles are equal in measure, if the segments bisect the base angles we would have the following diagram;

Then, if we want to find an expression for angle 5. Remember that all intern angles of a triangle must add up to 180 degrees, hence the expression would be:


\begin{gathered} m\measuredangle5=180-\left(90-6x\right)-\left(3x\right) \\ m\measuredangle5=180-90+6x-3x \\ m\measuredangle5=90+3x \end{gathered}

I have tried multiple different ways and it is still wrong. I need some help figuring-example-1
User Peter Lewis
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