Can someone help me asap please, i've beens stuck for the longest.

What is the length of stack BC 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

Can someone help me asap please ive beens stuck for the longest What is the length of stack BC with bar on top Round to the nearest tenth of a unit A 35 units B class=

Respuesta :

c. 8.6 units because if you use the Pythagorean thereom and square the bottom side and the left side and add them, you get the square root of 74 which is 8.6023.... and you round it too 8.6
your answer is 8.6 otherwise: C and do you go to a virtual school named k12?