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Mathematics 15 Online
OpenStudy (superfly123):

Similar Triangles Proportion:

OpenStudy (superfly123):

OpenStudy (superfly123):

For the first one, explain how the answer is 4 and not 1 , 2, 3 For the second one show how to find x and y

Directrix (directrix):

For the first one, explain how the answer is 4 and not 1 , 2, 3 Hint: Corresponding sides of similar triangles are in proportion. That means that AD over AB is equal to AE over AC.

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