![geometry - Show that $\frac{P_a}{a^2}+\frac{P_b}{b^2}+\frac{P_c}{c^2}\ge\frac{3}{4R}$. When is the equality reached? - Mathematics Stack Exchange geometry - Show that $\frac{P_a}{a^2}+\frac{P_b}{b^2}+\frac{P_c}{c^2}\ge\frac{3}{4R}$. When is the equality reached? - Mathematics Stack Exchange](https://i.stack.imgur.com/EEqHc.png)
geometry - Show that $\frac{P_a}{a^2}+\frac{P_b}{b^2}+\frac{P_c}{c^2}\ge\frac{3}{4R}$. When is the equality reached? - Mathematics Stack Exchange
![SOLVED: 5.) The Pythagorean Theorem can be proved using the three similar right triangles that are created when an altitude is drawn to the hypotenuse of a right triangle (MAFS.912.6.SRT.2.4) Statements Reasons SOLVED: 5.) The Pythagorean Theorem can be proved using the three similar right triangles that are created when an altitude is drawn to the hypotenuse of a right triangle (MAFS.912.6.SRT.2.4) Statements Reasons](https://cdn.numerade.com/ask_images/658481445bb9462499a2712a02cce54e.jpg)
SOLVED: 5.) The Pythagorean Theorem can be proved using the three similar right triangles that are created when an altitude is drawn to the hypotenuse of a right triangle (MAFS.912.6.SRT.2.4) Statements Reasons
![general topology - Converse part of triangular inequality hold equality when third point lies in the both point - Mathematics Stack Exchange general topology - Converse part of triangular inequality hold equality when third point lies in the both point - Mathematics Stack Exchange](https://i.stack.imgur.com/xAxO9.png)