a-cube-has-a-rib-ABCD-EFGH-the-midle-point-P-on-BF-so-that-BP-PF-and-the-midle-point-Q-on-FG-so-that-FQ-QG-how-long-projection-point-C-to-APQH-field-

Question Number 12131 by Peter last updated on 14/Apr/17

a c u b e h a s a r i b A B C D . E F G H, t h e m i d l e p o i n t P o n B F s o t h a t B P = P F,

a n d t h e m i d l e p o i n t Q o n F G s o t h a t F Q = Q G

h o w l o n g p r o j e c t i o n p o i n t C t o A P Q H f i e l d ?