Question Number 19912 by ajfour last updated on 17/Aug/17
Commented by ajfour last updated on 18/Aug/17
$${Find}\:{tangent}\:{of}\:{the}\:{acute}\:{angle} \\ $$$${between}\:{AB}\:{and}\:{SC}\:{and}\:{the} \\ $$$${shortest}\:{distance}\:{between}\:{them}. \\ $$$${The}\:{side}\:{of}\:{the}\:{equilateral}\:{triangle} \\ $$$${is}\:{even}\:\boldsymbol{{a}}.\:{SA}\:{is}\:{perpendicular}\:{to} \\ $$$${the}\:{plane}\:{of}\:\bigtriangleup{ABC}. \\ $$
Answered by ajfour last updated on 19/Aug/17
Commented by ajfour last updated on 19/Aug/17