Page 178 - Mathematics_Form_Two

Trigonometry

(a) Find the length of the slants (l) of (d)
the roof.
(b) How far above the ground is the
highest point of the roof?
10. One end of a rope of length 38 m
is tied to the top of a flagpole and
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another end is fixed to a point on the
Mathematics for Secondary Schools with the flagpole is 45 ,° find: (e)
ground. If the angle the rope makes

(a) The height of the flagpole.

(b) The distance between the fixed
point on the ground and the base
of the flagpole.

11. Find the value of the unknown in
parameter each of the following
figures. (f)

(a)

(g)
(b)

(c)
12. Use the following figure to express y
in terms of x

60º

172
Student's Book Form Two

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MATHEMATIC F2 v5.indd 172