In a , is equal to
a
b
c
a + b + c
A.
a
Two sides of a triangle are given by the roots of the equation x2 - 5x + 6 = 0 and the angle between the sides is .Then, the perimeter of
A tower, of x metres high, has a flagstaff at its top. The tower and the flagstaff subtend equal angles at a point distant y metres from the foot of the tower. Then, the length of the flagstaff(in metres), is