Triunghiul isoscel abc are latura [bc] situata intr un plan alfa si se proietcteaza pe plan dupa triunghiul dreptunghic dbc. stiinda ca m(bdc)=90°, iar bd=16 cm si cd=12 cm, aflati

a) cosinusul unghiului abc

b) lungimea laturii [bc] a triunghiului abc

The answer is a good luck

Answer: the correct answer is 10step-by-step explanation: let the number be n, then the expression becomes,then“twelve more than the quotient of a number and two, decreased by four” iswhen n=4,we substitute 4 whetever we see n to get,we simplify to obtain,we further simplify to get,therefore the correct answer is c.

Skew lines(segments) are lines(segments) in 3 dimensions that do not intersect the given segment and are not parallel to it.  ae, bf, eg, and fh are your skew segments.  i hope that : )