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Geometry Terms 2012
Geometry 1
| Question | Answer |
|---|---|
| four sided polygon with at lest one pair of parallel sides | trapezoid |
| the distance from the center of the circle to any point on the circle | radius |
| area of a triangle | A=1/2 bh |
| segment containing the center of the circle whose endpoints are on the circle | diameter |
| a squared + b squared = c squared | pythagorean Thm |
| line, segment, or ray that intersects a circle in exactly one point | tangent |
| the angle formed by drawing lines from the center of the circle to points A and B is subtended by the arc | subtended |
| A=pi r squared | area of a circle |
| curved portion of a circle contained between two points | Arc |
| a monomial or the sum or difference of two or more monomials | polynomial |
| x sub 1 + x sub 2/ y sub 1 + y sub 2 /2 | Midpoint formula |
| a real number that can be written as a ratio of two integers | rational numbers |
| segment whose endpoints are on a circle | chord |
| opposite/hypotenuse | sine |
| number that cannot be written as a ratio of two numbers | Irrational numbers |
| whole numbers and their opposites | integers |
| (x-h)squared + (y-k)squared = r squared | equation for circle |
| numbers that have only tow factors, themselves and 1 | prime numbers |
| number that divides evenly into another number | factor |
| d=sq rootof (x sub 2 - x sub 1) squared + ( y sub 2- y sub 1) squared | distance formula |
| a symbol usually a letter, that represents one or more numbers | variable |
| the numberical factor when a term has a variable | coefficient |
| two points that lie on the same line are | collinear |
| two angles whose sum equals 180 | supplementary |
| opposite/adjacent | tangent |
| two lines that intersect at a right angle | perpendicualr |
| two coplanar lines that will never intersect or are identical | parallel lines |
| 1/cosine | secant |
| two angles whose sides form two pairs of opposite rays | vertical angles |
| 1/sine | cosecant |
| the side opposite of the right angle in a right triangle | hypotenuse |
| statement where two ratios are equal | proportional |
| adjacent/hypotenuse | cosine |
| figures that have the same shape and all corresponding dimentions proportional | similiar figures |
| angles are 45, 45, 90 | ratio of Isosceles triangle |
| 1/tangent | cotangent |
| four sided polygon with four right angles and four congruent sides | square |
| y=mx+b | slope intercept formula |
| a four sided polygon with four right angles | rectangle |
| C=2 pi r | circum. of a circle |
| four sided polygon with two pairs of parallel sides | parallelogram |
| m= (y sub1 - y sub 2) / (x sub 1 - x sub 2) | slope formula |
Created by:
tbrown1
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