Question

What is the length of stack E C with bar on top in the rectangular prism? Round your answer to the nearest tenth.



A.
14.6 cm

B.
15.8 cm

C.
17.0 cm

D.
19.7 cm

Answer 1

@eta @iheartfood i will get it started by myself

Answer 2

Okay! I'm not sure if I'm seeing it clearly, but is triangle EHC a right triangle?

Answer 3

Sure, go ahead..

Answer 4

yes hold on

Answer 5

okay so i started by using 15 and 8 to find out the length of the diagonal for the triangle we have to find. i got 17, so now i can solve for the long side

Answer 6

so now i will use 10^2 + 17^2 and that will give me it?

Answer 7

i got 17