Lesson 11.4: Circles and Arcs
This lesson contains only examples and exercises related to circles and arcs.
An arc is a portion of a curve or circle. There are two basic braille symbols for arcs:
In print, the symbol for an arc appears over or on top of the letters that define the specified arc. Thus, you must follow the rules for a symbol that appears above the letters.
the arc AB is a minor arc
the arc DEF is a major arc
the measure of arc AB is twenty degrees
the measure of arc AB plus the measure of arc CD
circle M is congruent to circle P
arc AB is congruent to arc CD
the fraction with numerator the measure of arc AB and denominator three hundred sixty