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louis413

  • 2 years ago

help G: circle E, ab is congruent to cd. P: bd is congruent to ac.

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  1. louis413
    • 2 years ago
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    |dw:1329377979634:dw|

  2. campbell_st
    • 2 years ago
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    well looks like circle geometry call the let X be the intersection of BD and AC in Tri DBC and tri CBA angle BAC = angle BDC angles standing on the same are are equal. Angle BXA = angle CXD vertically opposite angles. AB = CD equal angles subtend equal chords. therefore tri DBC is congruent to tri CBA (Angle Angle Side test) hence BD = AC corresponding sides in congruent triangles.

  3. louis413
    • 2 years ago
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    how u say BAC are congruent?? by what?

  4. campbell_st
    • 2 years ago
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    there are 4 tests for congruent triangles, 1. Side, Side Side 2. Side Angle Side 3 Angle Angle Side 4 Right Hypotenuse Side.. if the 2 triangles are congruent... all corresponding sides and angles are equal

  5. louis413
    • 2 years ago
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    your saying "angle BAC = angle BDC angles standing on the same are are equal" by what????.

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