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Transcript

Now you know how to chords and arcs.

Answer:

100*

30*

now you do it. find x

x

130*

6in.

the two chords are congruent so the two intercepted arcs are congruent and Y is also 130*.

Y

C

AB is congruent with CD.

A

D

so AB and CD are also congruent.

B

this is a circle

this is a chord.

a diameter goes through the center of a circle, a chord does not.

this is an arc

this arc is the chords intercepted arc because it is intercepted at both ends.

Chord Arcs Conjecture

the fascinating relationship between intercepted arcs, and congruent chords. This is their story...

Credits:

Me (Nathaniel Thanie Sherin)

And most importantly...

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