Trig Question

Question

0

465

2

Let $a$ and $b$ be positive lengths, and consider the following triangles:

Then what are
$\angle A, \angle D, \angle G$

in radians, in that order?

Guest Jul 19, 2021

Guest · Answer 1 · 2021-07-19T04:21:44

By the Cosines Law, angle A = 2*pi/3, ange D = pi/2, angle G = pi/3.

dancingmonkey · Answer 2 · 2021-07-19T04:55:03

Use Law of Cosines for all three problems and you should get the answer pretty quickly.

$\angle A = \frac{5\pi}{6}$

$\angle D = \frac{\pi}{2}$

$\angle G = \frac{\pi}{4}$