Discover more at www.ck12.org: [ Ссылка ]
Here you'll learn that the sides of a 30-60-90 right triangle are in the ratio x:x \sqrt{3}:2x.
This video provides the student with a walkthrough of one or more examples from the concept "Special Right Triangle: 30-60-90".
This is part of CK-12’s Basic Geometry: Right Triangle Trigonometry. See more at:
1. Expressions with Radicals:
[ Ссылка ]
2. Pythagorean Theorem and Pythagorean Triples:
[ Ссылка ]
3. Applications of the Pythagorean Theorem:
[ Ссылка ]
4. Inscribed Similar Triangles:
[ Ссылка ]
5. 45-45-90 Right Triangles:
[ Ссылка ]
6. 30-60-90 Right Triangles:
[ Ссылка ]
7. Sine, Cosine, Tangent:
[ Ссылка ]
8. Trigonometric Ratios with a Calculator:
[ Ссылка ]
9. Trigonometry Word Problems:
[ Ссылка ]
10. Inverse Trigonometric Ratios:
[ Ссылка ]
Watch the whole series of CK-12's Basic Geometry videos: [ Ссылка ]
