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Congruent triangle example 2

Khan Academy
529
12:13

Congruent triangle proof example

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453
05:45

Perpendicular radius bisects chord

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508
06:56

More on why SSA is not a postulate

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504
07:23

Finding congruent triangles

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484
07:27

Two column proof showing segments are perpendicular

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534
11:05

Other triangle congruence postulates

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586
13:27

SSS to show a radius is perpendicular to a chord that it bisects

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649
08:18

Congruent triangles and SSS

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516
11:28