Simliar tirangles

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Jinglander: Senior | Next Rank: 100 Posts; Posts: 58; Joined: Thu Jul 22, 2010 5:40 pm; Thanked: 1 times

by Jinglander » Wed Aug 11, 2010 10:08 am

If I know two triangles share the same angle and also the sides that those angles make are Paralell do I know the triangles are similair

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Source: Beat The GMAT — Problem Solving | Wed Aug 11, 2010 10:08 am

mallyaprs: Newbie | Next Rank: 10 Posts; Posts: 6; Joined: Tue Jul 06, 2010 7:06 am

by mallyaprs » Wed Aug 11, 2010 10:38 am

yes, AAA postulate, ie if all the 3 angles are equal then the triangles are similar. when the sides opposite to the common angle are parallel, then the sides containing the common angle act as transversal.

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Jinglander: Senior | Next Rank: 100 Posts; Posts: 58; Joined: Thu Jul 22, 2010 5:40 pm; Thanked: 1 times

by Jinglander » Wed Aug 11, 2010 10:52 am

Can you explain transversal

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mallyaprs: Newbie | Next Rank: 10 Posts; Posts: 6; Joined: Tue Jul 06, 2010 7:06 am

by mallyaprs » Wed Aug 11, 2010 11:13 am

Jinglander wrote:Can you explain transversal

This will help you.. https://en.wikipedia.org/wiki/Transversal_line

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