Question

In triangle ABC, AB=1.37, BC=5.19; AC may equal

(A) 6.55
(B) 6.57
(C) 6.59
(D) 6.61
(E) 6.63

Answer 1

Know your trig ratios?

Answer 2

Or is this one based off of distance?

There are a few ways to decide what something may equal. Depends on where you are in math.

Answer 3

I heard about trig ratios, but i don't know them very well.

Answer 4

OK. Well, if you think about it, the some of any two sides may not exceed the length of the third.

Answer 5

oops... sum.

Answer 6

So then the answer cant be A

Answer 7

Let me see if I am saying that one right....

Answer 8

okay

Answer 9

Sorry! Wrong way... the sum of 2 will ALWAYS be greater than the 3rd! Oops. Remembered that wrong.

Answer 10

So..is it A?

Answer 11

Yah. I knew it was A but said it wrong. Sorry about that.

Answer 12

No worries^^

Answer 13

Well, long as you get why.... which the drawing helps with.

Answer 14

Thank you! ^_^

Answer 15

がんばろかわすみちゃん

Answer 16

Hello, @serena13579