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2D Geo Review

Angles, Triangle, Quadrilaterals

Obtuse Angle angle between 90 and 180 degrees
Acute Angle angle less than 90 degrees
Right Angle angle exactly 90 degrees
Straight Angle exactly 180 degrees
Complementary Angles sum of the measures equals 90 degree
Supplementary sum of the measures equals 180 degrees
Isosceles Triangle two equal sides
Equilateral Triangle three equal sides
Scalene Triangle no equal sides
Acute Triangle three acute angles
Right Triangle one right angle
Obtuse Triangle one obtuse angle
The sum of all angles in a triangle 180 degrees
The sum of all angles in a quadrilateral 360 degrees
Created by: awillis1