Special Quadrilaterals
Formula for Area
Polygons
Formula for Volume
Triangles
100
A parallelogram with four right angles and diagonals that bisect each other into four congruent segments
What is a rectangle
100
side squared
What is the area of a square
100
a 5 sided figure
What is a pentagon
100
(area of the base)(height)
What is the volume of a prism
100
a triangle with three angles less than 90 degrees
What is an acute triangle
200
A parallelogram with four congruent sides, four right angles, and perpendicular diagonals that bisect each angle
What is a square
200
(1/2)(base)(height)
What is the area of a triangle
200
a 7 sided figure
What is a heptagon
200
(1/3)(area of the base)(height)
What is the volume of a pyramid
200
a triangle with three equal sides and three equal angles
What is an equilateral triangle
300
A parallelogram that contains opposite congruent angles, four congruent sides, and perpendicular diagonals
What is a rhombus
300
(1/2)(base one + base two)(height)
What is the area of a trapezoid
300
a 9 sided figure
What is a nonagon
300
(pi)(radius squared)(height)
What is the volume of a cylinder
300
a triangle with no congruent sides
What is a scalene triangle
400
Contains one pair of parallel sides, two pairs of congruent base angles, and congruent legs
What is an isosceles trapezoid
400
(1/2)(apothem)(perimeter)
What is the area of a polygon
400
a 12 sided figure
What is a dodecagon
400
(1/3)(pi)(radius squared)(height)
What is the volume of a cone
400
a triangle with one angle greater than 90 degrees
What is an obtuse triangle
500
Contains two pairs of consecutive congruent sides, a pair of opposite congruent angles, and one diagonal bisects the other
What is a kite
500
(1/2)(diagonal 1)(diagonal 2)
What is the area of a kite
500
an 11 sided figure
What is an 11-gon
500
(4/3)(pi)(radius cubed)
What is the volume of a sphere
500
a triangle with two congruent sides
What is an isosceles triangle
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