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geometry 2

area the number of square units needed to cover a surace or figure
perimeter the distance around the outside of any polygon
volume the number of cubic units that fit inside a solid figure
equilateral triangle a triangle whos sides all have the same length
isosceles triangle a triangle whith at least two sides of the smae length
scalene triangle a triangle in which no sides have the same length.
acute triangle a triangle that has all acute angles less than 90 degrees
obtuse triangle a triangle in which one angle is an obtuse angle (between 91-180 degreese)
right triangle a trangle in which one angle is a right angle (90 degrees.
Created by: Dragonsges