Question

What is the length of segment AC?

Answer 1

@apoorvk I believe its 27?

Answer 2

Use cosine.
\[\cos A = \frac{AD}{AC}\]

(and PLEASE post in the maths section from the next one!)

Answer 3

ok i will :) how do i do that...... but can you tell how to put it into the calculator to get the right answer :[

Answer 4

@apoorvk

Answer 5

cos60 = 1/2

It's a standard value that you should remember!

Answer 6

4.5 inches

18 inches

27 inches

6.4 inches

Answer 7

these are my choices

Answer 8

@apoorvk

Answer 9

c'mon you're almost home in this one:
AC = AD/cos60 = ??

Answer 10

4.5 :)

Answer 11

Yeah 4.5 it is! Good and right finally! :)