what the value of angle
formed by a long needle and
short needle on analog clock
that shows at 15.50 ?
(A) 175^o (B) 174^o (C) 173^o
(D) 172^o (E) 170^o
An open box with a square
base is to be made out
of a given quantity of
a cardboard of area c^2
square units.show the
maximum volume of the
box (c^2 /(6(√3))) cubic units