Set: MPCS8thPre-AlgVocabCh9

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All 27 Terms

Term Definition
perfect squares rational numbers whose roots are whole numbers ex. 25
square root one of the two fequal actors of a number Ex. for 25 - it would be 5 because 5x5 = 25
radicle the symbol used to indicate a nonnegative square root
point a specific location in space with no size or shape
line never-ending straight path extending in two directions
ray a part of a line that extends indefinitely in one direction
angle 2 rays that have a common end point
vertex the common endpoint of 2 rays forming an angle
sides the 2 rays that make up an angle
degree the most common unit of measurement for angles
protractor an instrument used to measure angles
acute angle an angle whose measurement is greater than 0 degrees and less than 90 degrees
right angle an angle that measures 90 degrees
obtuse angle angle whose measurement is greater than 90 degrees and less than 180 degrees
straight angle angle that measures 180 degrees
line segment part of a line containing 2 end points and all the points between them
triangles a figure formed by 3 line segments that intersect only at their end points (polygon having 3 sides)
acute triangle a triangle with all acute angles
obtuse triangle a triangle with one obtuse angle
right triangle a triangle with one right angle
congruent line segments that have the same length, or angles that have the same measure, or figures that have the same size and shape (has the same size and shape)
scalene triangle a triangle that has no congruent sides
isosceles triangle triangle with at least 2 congruent sides
equilateral triangle a triangle with all sides congruent
legs in a right triangle, these are the sides adjacent to the right angle
hypotenuse the side opposite the right angle in a right triangle
Pythagorean Theorem describes the relationship between the lengths of the legs and the hypotenuse - If a triangle is a right triangle, then the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the legs or (C2 = A2 + B2)

Set Information

Terms 27
Creator Trcy
Created March 11, 2008
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Most Missed Words

  1. perfect squares → rational numbers whose roots are whole numbers ex. 25 - 3 misses
  2. Pythagorean Theorem → describes the relationship between the lengths of the legs and the hypotenuse - If a triangle is a right triangle, then the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the legs or (C2 = A2 + B2) - 3 misses
  3. square root → one of the two fequal actors of a number Ex. for 25 - it would be 5 because 5x5 = 25 - 2 misses
  4. degree → the most common unit of measurement for angles - 2 misses
  5. triangles → a figure formed by 3 line segments that intersect only at their end points (polygon having 3 sides) - 2 misses
  6. hypotenuse → the side opposite the right angle in a right triangle - 2 misses
  7. obtuse angle → angle whose measurement is greater than 90 degrees and less than 180 degrees - 1 miss