- 2013 AMC 10 A #21 - This is also #17 on the AMC 12 A.
- 2013 AMC 10 A #22 - This is also #18 on the AMC 12 A.
- 2013 AMC 10 A #23 - This is also #19 on the AMC 12 A.
- 2013 AMC 10 A #24
- 2013 AMC 10 A #25
2013 AMC-10 B #23 It's a good idea to be able to get all those split-side lengths, height to the hypotenuse fast and right. Those are basic skills.
Also, you should be able to get the area, in-radius and others fast as well of 13-14-15 and 10-17-21
triangles.
2013 AMC 10 A Math Jam from AoPS
2013 AMC 10 B Math Jam from AoPS
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