Triangles and Trigonometry

Altitudes of Triangles

• Geometric Mean: $x=\sqrt{b}\cdot a$

• Legs: $leg=\sqrt{whole}base\ast side$

Pythagorean Theorem

• $a^2+b^2=c^2$

• $a^2+b^2>c^2$

• $a^2+b^2<c^2$