The sail of a boat is in the shape of a right triangle, as shown below:
Which expression shows the height, in meters, of the sail?

D

Explanation:

The solution to the problem is  

How did we arrive at this:

    We are going to use trigonometric ratios to solve this problem. The diagram of the sail forms a perfect and unique right angle triangle.

From the diagram, we can easily decipher the:

From the given diagram, we know:

   Adjacent axis and the opposite angle;

  tan Ф =

 The unknown axis faces the opposite side;

        Opposite = adjacent x  tan Ф

        Opposite = 2 x tan Ф

Note;

           tan Ф = 1/ cot Ф

    opposite = 2 x 1/ cot Ф

read the sentence below and answer the question that follows. one of the norms in the village was to meet at the town square on fridays for a community dinner and dance. the underlined word in the sentence above is best defined as a a. cultural element shared by all people around the world b. specific area in a town used for traditional community events c. religious custom accepted and practiced by all members of a village d. behavioral pattern that is regularly accepted by a group of people