Area

1. Math CST 5

2.  Area of Figures
 Geometric Probability
 Problem Solving

3. Figure Name Area
Triangle base x height
2
Quadrilateral length x width
Circle П r 2
Trapezoid B + b h
2

4.  The area of a sector or segment of a circle
depends on the length or angle of the arc.
 E.g. if the arc angle was 180 ,
then you would have ½ of the
area of the full circle.

5.  Page 164, Q. 1, 3 , 9, 10

6. • Area = bcSinA
2
b
c
a
<A

7. • Area = bcSinA
2
b
c
a
<A