Question

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

Then what are angle A, D, and G in RADIANS?

Answer 1

angle A is 150° or
`(5\pi)/(6)` radians

angle D is 90° or
`(\pi)/(2)` radians

angle G is 45° or
`(\pi)/(4)` radians

Answer 2

angle A = 2.6179 rad

angle D = 1.5708 rad

angle G = 0.785 rad