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Mathematics 20 Online
kaydademon:

Angles (ss below)

kaydademon:

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kaydademon:

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Extrinix:

Correction: Move the blue dot onto the yellow dot, then align the green dot onto the segment GF.

kaydademon:

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Extrinix:

Flip it from sgment FE to segment GF

kaydademon:

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Extrinix:

That will give you \(\angle GFH\)

Extrinix:

Then, given that line GE is a straight line, we can calculate the degree of \(\angle EFH\) by doing this: \(180^\circ - \angle GFH^\circ = \angle EFH^\circ\)

Extrinix:

Which allows us to also get that: \(\angle GFH^\circ + \angle EFH^\circ = 180^\circ\)

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