Triangles
Intro to triangle similarity
Triangle similarity postulates/criteria
Determining similar triangles
Solving similar triangles
Solving similar triangles: same side plays different roles
Using similar & congruent triangles
Challenging similarity problem
Pythagorean theorem proof using similarity
Pythagorean theorem word problem: fishing boat
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KHAN ACADEMY® offers great materials that can help build your skills in subjects that are important to you.
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KHAN ACADEMY® offers great materials that can help build your skills in subjects that are important to you.
You can master basic concepts, explore subjects further or reinforce your knowledge − at your own pace.
Wherever you are in your learning journey, here are links to free materials that may be useful to identify both your strengths and any knowledge gaps in key background subjects.