Question

Please help...WILL GIVE MEDAL!!!
What is the length of stack J K with bar on top ? Round to the nearest tenth of a unit.



A.
4.5 units

B.
5.4 units

C.
6.0 units

D.
12.8 units

Answer 1

?

Answer 2

what do u mean by stack?

Answer 3

Graph.

Answer 4

stack is JK with a line over it.

Answer 5

anyone??

Answer 6

I am begging you

Answer 7

hold on a sec

Answer 8

Ok????

Answer 9

Remember the pythagorean theorem?

2^2 + 4^2 = c^2

Answer 10

how do you know were to draw the right angle?

Answer 11

draw a line straight down from j
then draw a horizonal line through k

Answer 12

oh ok. Then what?

Answer 13

that gives us a right triangle with legs 2 and 4, and makes JK the hypotenuse

we can use the pythagorean theorem to find length of JK

Answer 14

square root 2^2 and 4^2 to get squareroot 20

Answer 15

which is 4.5

Answer 16

final answer??

Answer 17

can you help me with 4 more @Plasmataco ??

Answer 18

Can you guys help me with a few more?