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47 Cards in this Set
- Front
- Back
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NEVER possible to have an equilateral triangle that isn't __________________.
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acute
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1 revolution
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360 degrees
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1
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1
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2
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4
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3
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9
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4
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16
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5
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25
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6
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36
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7
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49
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8
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64
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9
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81
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10
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100
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11
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121
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12
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144
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13
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169
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14
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196
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15
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225
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16
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256
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17
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289
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18
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324
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19
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361
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20
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400
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x+85+x+5=180
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2x+90=180
-90 -90 2x=90 / / 2 2 x=45 45, 50, 85 |
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You CAN NOT take the square root of __ ___________ _______________.
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a negative number
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rational numbers whose square roots are whole numbers.
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perfect square
ex. the square root of 25 = 5 |
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one of the two equal factors of a number
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square root
ex. the square root of 25 is 5 since 5 squared= 25. |
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the symbol used to indicate a nonnegative square root
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radical sign
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a num. that cannot be expressed as a over b where a and b are integers and b doesn't equal 0
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irrational num.
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the set of rational numbers together with the set of irrational numbers
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real numbers
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counting numbers (1, 2, 3, 4....) not including 0
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natural numbers
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counting numbers including 0
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whole numbers
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the whole numbers and their opposites
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integers
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a number that can be written as a fraction where there is not a zero as the denominator
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rational numbers
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part of a line containing 2 endpoints and all the points between them
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line segment
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a figure having 3 sides
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triangle
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the place where 2 sides of a polygon intersect
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vertex
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an angle with the measures of greater than 0 degrees and less than 90 degrees
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acute angle
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an angle measuring 90 degrees
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right angle
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an angle measuring greater than 90 degrees
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obtuse angle
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an angle measuring 180 degrees
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straight angle
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a triangle that has 3 acute angles
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acute triangle
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a triangle with one obtuse angle
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obtuse triangle
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a triangle with one right angle
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right triangle
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line segments that have the same length, or angles that have the same measure, or figures that have the same size and shape
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congruent
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a triangle with no congruent sides
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scalene triangle
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a triangle that has at least 2 congruent sides
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isosceles triangle
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a triangle with all sides congruent
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equilateral triangle
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