Question

Help!

Find y in these 30 - 60 - 90 triangles.
y= ?
http://tinypic.com/r/j9ugj6/5

Answer 1

30 - 60 - 90 (Degree)

Answer 2

use cos(30) = 7/ y

Answer 3

how do i do that??

Answer 4

therefore cos (30)/y = 7
therefore y = 7 / cos(30)

Answer 5

Use calculator

Answer 6

the answer has to be _ _ _ _ sqr. _

Answer 7

so 4538 sqr. 3?

Answer 8

is that the right answer??

Answer 9

no, what are your choices

Answer 10

they don't give choices

Answer 11

How you know is a square root

Answer 12

because they give me the option to plug in the numbers, for the answers and there is a square root

Answer 13

I know that y = 8.08 and x = 4.04

Answer 14

try square root of 65