Koofers

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4:49
+9
More examples using 30-60-90 triangles.
Author: Salman Khan Views: 44
 
9:55
+1
What an angle is. Angles in a circle. Complementary and supplementary angles.
Author: Salman Khan Views: 9
 
13:13
+1
Area of rhombus from circumradii of triangles
Author: Salman Khan Views: 48
 
10:17
0
1-3, deductive reasoning and congruent angles
Author: Salman Khan Views: 0
 
11:56
0
4-6, proof by contradiction
Author: Salman Khan Views: 1
 
12:12
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7-10, more proofs (10 continued in next video)
Author: Salman Khan Views: 0
 
11:52
0
15-16, similar triangles
Author: Salman Khan Views: 0
 
11:11
0
17-20, more similar and congruent triangles
Author: Salman Khan Views: 0
 
11:14
0
21-25, triangles and parallelograms
Author: Salman Khan Views: 1
 
10:19
0
26-30, area, circumference, pythagorean theorem
Author: Salman Khan Views: 0
 
10:53
0
31-35, area, circumference and volume
Author: Salman Khan Views: 0
 
10:44
0
36-40, Pythagorean Theorem and Area
Author: Salman Khan Views: 0
 
10:53
0
41-45, polygons, exterior angles
Author: Salman Khan Views: 0
 
10:58
0
46-50, deducing the measure of angles
Author: Salman Khan Views: 1
 
12:35
0
51-55, Pythagorean Theorem, compass constructions
Author: Salman Khan Views: 1
 
12:49
0
56-60, compass construction, coordinates
Author: Salman Khan Views: 0
 
11:04
0
61-65, basic trigonometry
Author: Salman Khan Views: 5
 
12:21
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66-70, more trigonometry
Author: Salman Khan Views: 0
 
10:06
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71-75, area, chords, tangents of circles
Author: Salman Khan Views: 0
 
12:08
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76-80, secants and graph translations
Author: Salman Khan Views: 0
Videos 1 - 20 of 1,030
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