Which are right triangles that can be formed using a diagonal through the interior of the cube? select all that apply.
a) triangle ceg
b) triangle aeh
c) triangle cfg
d) triangle bch
e) triangle bfg
f) triangle deg

14. a family spends 1⁄10 of its annual income for housing, 1⁄4 for food and clothing, 1⁄5 for general expenses, and 2⁄15 for entertainment. what fractional part of their income is spent on these items altogether? a. 11⁄12 b. 41⁄60 c. 6⁄41 d. 1⁄7