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What is the measure of /x?

Angles are not necessarily drawn to scale.
PLS HELP I REALLY NEED TO GET THIS RIGHT!!

What is the measure of /x? Angles are not necessarily drawn to scale. PLS HELP I REALLY-example-1

1 Answer

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Answer:

x = 66°

Explanation:

First, you can use exterior angle theorem to say that


m<JIH = m<JDI + m<DJI

and you can substitute to get:

105° = 39° + m<DJI

m<DJI = 66°

m<DJI and m<AJF are vertical angles, so they equal each other:

m<DJI = m<AJF

m<AJF = x = 66°

User Rob Sobers
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