WAEC Past Questions and Answers - Page 2275

In the diagram, MNR is a tangent to the circle centre O at N and ∠NOS = 108°. Find ∠OSN

Given that sin (5x-28)° = cos (3x-50)", 0°≤ x ≤ 90°, find the value of x.

Chalyn was sixteen year old girl. She was sixth child in a family of nine. Chalyn's father and mother were both private workers who barely had time for the home. The new management of Chalyn's parents' workplace was incompetent and could not pay workers' salaries for several months. Chalyn became frustrated with the situation at home.
One day she met some friends who capitalized on her situation and advised her to leave home if she wanted to live a good life and she obliged. She was introduced to a trafficking agent who took her abroad where she was compelled to engage in prostitution. five years later, Chalyn was deported after she had contracted the deadly HIVIAIDS.
 

Chalyn's ordeal would have been likely prevented through all the following means except

Chalyn was sixteen year old girl. She was sixth child in a family of nine. Chalyn's father and mother were both private workers who barely had time for the home. The new management of Chalyn's parents' workplace was incompetent and could not pay workers' salaries for several months. Chalyn became frustrated with the situation at home.
One day she met some friends who capitalized on her situation and advised her to leave home if she wanted to live a good life and she obliged. She was introduced to a trafficking agent who took her abroad where she was compelled to engage in prostitution. five years later, Chalyn was deported after she had contracted the deadly HIVIAIDS.

Which of the following would have likely saved Chalyn from falling into the hands of traffickers?

A boy 14 m tall, stood 10m away from a tree of height 12 m. Calculate, correct to the nearest degree, the angle of elevation of the top of the tree from the boy's eyes.