Page 86 - MATHEMATICS COURSE FOR SECONDARY SCHOOLS BOOK 2
P. 86
A
ARC AND SECTOR OF A CIRCLE
Minor
Minor B A Minor B sector sector
Major sector
0
An arc of a circle is part of its circumference. Two points of the circumference defines an arc of the circle.
In the circle along the points A and B denotes a minor arc AB and a major arc AB.
Two radii of a circle above the radii OA and OB defines a minor sector AOB where AOB is an acute angle, and a major sector AOB where AOB is a reflex angle.
LENGTH OF AN
ARC AND THE AREA OF A SECTOR OF
A CIRCLE
80
