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Prove Triangles Similar by AAPowerPoint Presentation

Prove Triangles Similar by AA

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Prove Triangles Similar by AA

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Prove Triangles Similar by AA

6.4

All you need are any 2 congruent angles for 2 triangles to be similar.

- We know that the sum of the interior angles has to be 180.
- Therefore, the third angle also has to be congruent.

yes

yes

yes

no

no

yes

no

yes

Can’t tell

Yes

Yes

Can’t tell

yes

yes

yes

- Molly wants to know the height of the flagpole in front of the town hall. She sees that it casts a shadow 24 ft long. She drives a stake into the ground beside the flagpole. The stake is 4 ft high with a shadow 2 feet long. How tall is the flagpole?

- The scale on a map says that 1 inch equals 150 miles. How many miles apart are two cities if you measure 4 ½ inches between them?