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Use paragraph, flow chart, or two-column proof to prove the angle congruency.

Use paragraph, flow chart, or two-column proof to prove the angle congruency.-example-1

1 Answer

6 votes

Explanation:

we have

∠CAX=∠BAX

AC=AB

[AX] a common side for both triangles ΔACX and ΔABX

then

ΔACX and ΔABX are two isometric triangles

therefore XC=XB

then the triangle ΔXBC is isoceles

then ∠XBC ≡ ∠XCB.

:)