Question

Which expression shows the length of side AB? Pic in comments

Answer 1

@sayakdbz :3

Answer 2

use cos ratio

Answer 3

will be just like the problem we did earlier

Answer 4

actually you can do this easily remembering the properties of a 306090 triangle

Answer 5

but i notice the answer key doesnt want you to do it this way.

Answer 6

Okay so cos 60 = 8/x then get x by itself

Answer 7

yes.

Answer 8

So then would it be 8/cos 60

Answer 9

yep.