Question

What is the length of stack D F with bar on top in the rectangular prism? Round to the nearest tenth of a centimeter.

Answer 1

A.
15.3 cm

B.
14.6 cm

C.
13.0 cm

D.
10.2 cm


here is the graph http://static.k12.com/calms_media/media/1579000_1579500/1579370/1/de905216a53537146bff522ccd3c0899e30c1cec/MS_IMC-150126-130909.jpg

Answer 2

you first calculate the length of HF by applying the pythagoras theorem to the triangle in the base ( with sides 5 and 12)
can you do that?

Answer 3

i can try :)

Answer 4

ok

Answer 5

Hf is the hypotenuse

Answer 6

would it be c

Answer 7

yes 13 cm is the length of HF
now how will you find the length of DF?

Answer 8

thx u

Answer 9

hold on 13 in not the answer! you need to find the length of Df not |Hf

Answer 10

theres one more step to get the measure of GF

Answer 11

i know the next step already sorry. df is 10.2