similar figures		in a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the legs
indirect measurement		rectangular prism with six congruent square faces
pi		long dimension of any object
length		equation that states that two ratios are equivalent
area		number of cubic units needed to fill a given space
corresponding parts		figures with same shape but not necessarily the same size
ratio		parts between two or more objects that are matched
surface area		distance around a circle
volume		breadth or distance across
radius		distance around a polygon
pythagorean theorem		ratio of circumference of a circle to the length of its diameter
cube		line segment with one endpoint at the center of the circle and endpoint on the circle
height		side of polygon
base		technique of using similar figures and proportions to find a measure
polygon		line segment that passes through the center of a circle and has endpoints on the circle
width		number of square units needed to cover a surface
proportion		3-D figure with two parallel, congruent circular bases connected by a curved lateral surface
diameter		sum of areas of the faces of a 3-D figure
cylinder		drawings used to make a reduction or enlargement of an object
scale drawings		closed plane figure formed by three or more line segments that intersect only at their endpoints
perimeter		comparison of two quantities by division
circumference		perpendicular distance from base to opposite side