Given that line AB is parallel to line DE, determine how triangle ABC and triangle EDC can be shown to be similar. Since ∠ABC ≅ ∠EDC and ∠BAC ≅ ∠DEC, the triangles are similar by the angle-angle criterion. Since ∠ABC ≅ ∠EDC and AC ≅ BC, the triangles are similar by the angle-side criterion.
Given that line AB is parallel to line DE, determine how triangle ABC and triangle EDC can be shown to be similar. Since ∠ABC ≅ ∠EDC and ∠BAC ≅ ∠DEC, the triangles are similar by the angle-angle criterion. Since ∠ABC ≅ ∠EDC and AC ≅ BC, the triangles are similar by the angle-side criterion.
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter5: Similar Triangles
Section5.2: Similar Polygons
Problem 35E
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Given that line AB is parallel to line DE, determine how triangle ABC and triangle EDC can be shown to be similar.
- Since ∠ABC ≅ ∠EDC and ∠BAC ≅ ∠DEC, the
triangles are similar by theangle -angle criterion. - Since ∠ABC ≅ ∠EDC and AC ≅ BC, the triangles are similar by the angle-side criterion.
- Since ∠ABC ≅ ∠DEC and ∠BAC ≅ ∠EDC, the triangles are similar by the angle-angle criterion.
- Since CD ≅ CE and ∠BAC ≅ ∠DEC, the triangles are similar by the angle-side criterion.
- Since ∠ABC ≅ ∠EDC and ∠ACB ≅ ∠ECD, the triangles are similar by the angle-angle criterion.
- Since ∠ACB ≅ ∠ECD and ∠BAC ≅ ∠DEC, the triangles are similar by the angle-angle criterion.
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