Question

Solve for y
A) 6
B) 6 sqrt 3
C) 4
D) 4 sqrt 3

Answer 1

A) 6

Explanation:

in a 30-60-90° Δ the ratio of side lengths is 1 :
`√(3)` : 2

so we can set up this proportion and cross-multiply:

`√(3)` / 1 = y / 2
`√(3)`

y = 2
`√(3)`
`√(3)` which is 2x3 or 6