

Click on the letter you want to look in[A][B][C][D][E][F][G][H][I][J][K][L][M][N][O][P][Q][R][S][T][U][V][W][X][Y][Z]
 Oblique Angle  An angle that is not a right angle. An acute or obtuse angle. 
 Obtuse Angle  An angle that is larger than 90 degrees. 
 Obtuse Triangle  A triangle with one angle obtuse. 
 Octagon  A polygon with 8 sides. 
 Order of Operations  A set of rules for the order in which to solve mathematical problems. The order goes: * and /, + and . If there are parentheses then work inside them first. Example: Correct: 1+2*3=7. Not Correct: 1+2*3=9 

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