TRIGONOMETRY
Concepts : Angles and sides
1.
What is the
ratio of the sides of a 300, 600, 900 triangle
? If the
length of the side opposite to 300
angle is 10cm,
how much are the other sides ?2.
What is the
ratio of the sides of a 450, 450, 900 triangle ? If the length of the side opposite
to. 450 angle is 6cm, find the lengths of the other side.
3.
If the height of
an equilateral triangle is 12cm , how much is its side ?
4.
The diagonal of
a square is 10cm. What is the length of a side ? Find the area of the square.
5.
The angle
between the ground and the stay wire from the top of an electric post is 300
. If the distance between the foot of the post and the bottom of the wire is 6 meters,
draw a rough figure. Find the height of the post and the length of the stay
wire.
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