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chapter 9 vocb
prealgebra
22
Mathematics
7th Grade
02/17/2015

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Term
ACUTE ANGLE
Definition
AN ANGLE WITH A MEASURE GREATER THAN ZERO
Term
ACUTE TRIANGLE
Definition
A TRIANGLE THAT HAS THREE ACUTE ANGLES
Term
CONGRUENT
Definition
LINE SEGMENTS THAT HAVE THE SAME LENGTH, OR ANGLES THAT HAVE THE SAME MEASURE, OR FIGURES THAT HAVE THE SAME SIZE OR SHAPE
Term
CONVERSE
Definition
tHE STATEMENT FORMED BY REVERSING THE PHRASES AFTER IF AND THEN IN AN IF--THEN STATEMENT
Term
EQUILATERAL TRIANGLE
Definition
a TRIANGLE WITH ALL SIDES CONGRUENT
Term
HYPOTENUSE
Definition
THE SIDE OPPOSITE THE RIGHT ANDLE IN A A RIGHT TRIANGLE
Term
LEGS
Definition
THE SIDES THAT ARE ADJACENT TO THE RIGHT ANGLE OF A RIGHT TRIANGLE
Term
LINE SEGMENT
Definition
PART OF A LINE CONTAINING TWO ENDPOINTS AND ALL THE POINTS BETWEEN THEM
Term
OBTUSE ANGLE
Definition
AN ANGLE WITH T A MEASURE GREATER THAN 90 DEGREES BUT LESS THAN 180
Term
OBTUSE TRIANGLE
Definition
A TRIANGLE WITH ONE OBTUSE ANGLE
Term
PERFECT SQUARE
Definition
RATIONAL NUMBERS WHOSE SQUARE ROOTS ARE WHOLE NUMBERS EXP 25
Term
RADICAL SIGN
Definition
THE SYMBOL USED TO INDICATE A NONNEGATIVE SQUARE ROOT
Term
REAL NUMBERS
Definition
THE SET OF RATIONAL NUMBERS TOGETHER WITH THE SET OF IRRATIONAL NUMBERS
Term
RIGHT TRIANGLE
Definition
A TRIANGLE WITH ONE RIGHT ANGLE
Term
RIGHT ANGLE
Definition
AN ANGLE THAT MEASURES 90 DEGREES
Term
SCALENE TRIANGLE
Definition
A TRIANGLE WITH NO CONGRUENT SIDES
Term
SIMILAR FIGURES
Definition
FIGURES THAT HAVE THE SAME SHAPE BUT NOT NECESSARILY THE SAME SIZE
Term
SOLVING A RIGHT TRIANGLE
Definition
USING THE PYTHAGOREAN THEOREM TO FIND THE LENGTH OF THE THIRD SIDE OF A RIGHT TRIANGLE, IF THE LENGTHS OF THE OTHER TWO SIDES ARE KNOWN.
Term
SQUARE ROOT
Definition
ONE OF THE TWO EQUAL FACTORS OF A NUMBER
Term
STRAIGHT ANGLE
Definition
180- DEGREES
Term
TRIANGLE
Definition
A FIGURE HAVING THREE SIDES
Term
VERTEX
Definition
THE COMMON ENDPOINT OF THE RAYS FORMING AN ANGLE
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