. In the figure, OBC is a right-angled triangle in a horizontal plane with BÔC = 90°. OA is
vertical, ABO = 0°, BĈA = aº and OC = 8 cm.
The length of AB is given by
8 cos a
(B)
8 sin o
sin a
8 tan
(C)
8 sin a
(A)
sin Ꮎ
8 tan a
(D)
cos e
tan a
(E)
COS Q

Urgentwhat is the area of the figure?

What is the definition of a surd.give an example.

Atown recently dismissed 5 employees in order to meet their new budget reductions. the town had 5 employees over 50 years of age and 19 under 50. if the dismissed employees were selected at random, what is the probability that exactly 2 employees were over 50? express your answer as a fraction or a decimal number rounded to four decimal places.