Chapter 11 Flashcards
Area congruence postulate
If two polygons are congruent, then they have the same area
Area
The number of square units contained in a polygons interior
Area addition postulate
The area of a region is the sum of the areas of all it’s nonoverlapping parts
If the diagonals of a quadrilateral are perpendicular, then the area of the quadrilateral is….
Half the product of the lengths of the diagonals
Central angle of a regular polygon
An angle whose vertex is the center and whose sides contain two consecutive vertices of the polygon
Sector
The region bounded by two radii of the circle and their intercepted arc
Segment of a circle
Region bounded by a chord and its intercepted arc
Area of similar polygons theorem
If two polygons are similar with corresponding sides in the ratio a:b, then the ratio of their areas is a^2:b^2