Question

Distances with Pythagorean Theorem :)

What is the length of stack B C with bar on top ? Round to the nearest tenth of a unit.



A.
3.5 units

B.
4.9 units

C.
8.6 units

D.
15.0 units

Here is the graph: http://static.k12.com/calms_media/media/1578000_1578500/1578497/1/2e3205b3a461978c9643dbe7f49cbda43956f25f/MS_IMC-150122-130501.jpg

Answer 1

I did the problem twice and both of my answers were wrong, send help xD

Answer 2

@KyanTheDoodle

Answer 3

Honestly, I have no idea.

Answer 4

Oh my, its a bit of a tricky question I guess, do you know anyone who might be of aid?

Answer 5

@Agl202

Answer 6

Easy. Just do the Pythagorean theorem.

Answer 7

Well I did that, but I got 2.8 as an answer...

Answer 8

Can I show you my equation?

Answer 9

Sure

Answer 10

BA=6-8=2
AC=8-6=2

2^2+2^2=BC
4+4=BC
8
Square route of 8 is 2.8

Answer 11

I just showed you in my diagram that the side lengths are 5 and 7. use those for A and B.

Answer 12

Alright,
25+49=74
And square route of that is 8.6! Thank you so much, the way it was taught in the lesson was a lot more complicated, I understand it now :)

Answer 13

No problem :)

Answer 14

Im going to close the question, I appreciate you helping me!