A. lines that intersect at right angles. tbh i learned that they formed right angles so
SSS since no other angles are given

Expand,

=

So the third choice would be your answer!
Hope this helps!
Volume of cube is side power 3
therfore cubic root volume = side length
volume = 512 --> cubic root 512 =8 cm
side length is 8 cm if it was doubled
side length= 16 cm
therefore side length after doubling =
side power 3
(16) to the power 3 = 4096 cm3
The best and most correct answer among the choices provided by the question is the first choice , 10 d + 5 n.
Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.