Vocab 8 Flashcards
What is the area?
Total surface covered by a figure and measured in squares
What is the perimeter?
The sum of the lengths of the sides of a polygon
What is arc length?
Fractional distance of the circumference of a circle
What is circumference?
The distance around a circle
What is the radius?
A segment with endpoints at the center and on a circle
What is a sector of a circle?
Region bounded by a central angle and its intercepted arc
What is a composite figure?
Figure that can be separated into regions that are basic figures
What is an apothem?
Segment from center of a regular polygon; bisects & forms right angle to side
What does it mean to bisect?
To cut in half creating congruent segments or angles
What does perpendicular mean?
Forming right angles
What is a regular polygon?
Convex polygon with congruent sides & congruent angles
What is the regular polygon radius?
Segment from center of a regular polygon to a vertex
