Question

What are all the angle measures for right triangle ABC?

Answer 1

`\alpha = 60°,\:\beta = 30°, \: 90°`

Explanation:

`Arccos( ( √(3) )/(2) ) = \beta \\ Arccos( \cos \: 30 \degree ) = \beta \\30 \degree = \beta \\ \therefore \: \alpha = 60 \degree \\ remaining \: angle = 90 \degree \\`