Question

What is the height, x, of the equilateral triangle shown?

Answer 1

C. 10in

Explanation:

`(sinA)/(a) = (sinB)/(b)`

`(sin60)/(10) = (sin60)/(x)`

`x`sin60 = 10 × sin60

`x`sin60 =
`5√(3)`

`x` =
`(5√(3) )/(sin60)`

`x` = 10in