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Mathematics 19 Online
OpenStudy (anonymous):

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Directrix (directrix):

I don't see a question.

OpenStudy (anonymous):

@Directrix just equal segments & angles

Directrix (directrix):

Oh, okay. Let me look again.

Directrix (directrix):

Why are these angles equal in measure: m<ABC = m<DEB

OpenStudy (anonymous):

<ABC = <DEB, EB=ED, AE=CE.. anything else ? :)

OpenStudy (anonymous):

because they're vertical angles

Directrix (directrix):

Good. I'm seeing EA = EC, ED = EB because of tangents drawn to a circle from an external point. I see two pairs of vertical angles. You found one pair. What is the other pair? @stupidinmath

OpenStudy (anonymous):

oh, <CEB = <AED?

Directrix (directrix):

Yes.

OpenStudy (anonymous):

should I include AB=CD?

Directrix (directrix):

I hadn't thought about that. It is true that those are equal so include them.

OpenStudy (anonymous):

Oh, alright. thank youuuuu c:

Directrix (directrix):

I could draw segment DP and then draw segment BP and then say that they are equal in length because radii of the same circle are congruent. I assume we are to stick to the segments and angles that are shown on the diagram.

Directrix (directrix):

Alrighty, then.

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