◎◎◎ complement ⪢⪢
When two angles are complementary, we say that one angle is the _____ of the other. #math
http://qindex.info/i.php?x=9593

◎◎◎ complementary ⪢⪢
If two angles are _____ , then the sum of their measures is 90 degrees. ￫ measure #math
http://qindex.info/i.php?x=9684

○○○ scalene triangle ⪢⪢
A _____ has no equal sides and no equal angles. #math
http://qindex.info/i.php?x=14016

○○○ part ⪢⪢
It has an angle bracket on each side and the part in the middle determins what kind of tag it is. #bookmark #it
http://qindex.info/i.php?x=15386

○○○ ψ ≈ 137.5° ⪢⪢
As angles smaller than 180° proved to be more handy in practice, the smaller of the resultant angles is usually called golden angle. #math
http://qindex.info/i.php?x=28243

• 03 Types of Angles and Angle Relationships
Types of Angles and Angle Relationships
http://qindex.info/i.php?x=5002

• 03 Angles & Degrees
Math Antics - Angles & Degrees
http://qindex.info/i.php?x=5097

• 02 Angle Basics
Math Antics - Angle Basics
http://qindex.info/i.php?x=5081

• 01 Introduction to Trigonometry
Angles and Radians
http://qindex.info/i.php?x=5020

• Cross Product
Given two nonzero vectors in two or three dimensions, their cross product is a vector with magnitude equal to the product of the magnitudes of the vectors times the sine of the angle between the vectors and direction perpendicular to the vectors.
http://qindex.info/i.php?x=5291

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