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Law of Sine and Law of Cosine calculator

# Math

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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 Question
rectangle   a parallelogram w/ 4 right angles
ray   a part of a line that starts at one endpoint and extends forever
complementary angles   two angles whose measures add to 90
center of rotation   the point about which a figure is rotated
congruent   having the same size and shape
correspondence   the relationship between 2 or mre objects that are matched
equilateral triangle   a triangle w/ 3 congruent sides
image   a figure resulting from a transformation
isosceles triangle   a triangle w/ at least 2 congruent sides
line   a straight path that extends w/o end in opposite directions
line of symmetry   the imaginary "mirror" in line symmetry
line symmetry   a figure has line symmetry if one half is a mirror-image of the other half
obtuse angle   an angle whose measure is greater than 90 but less than 180
obtuse triangle   a triangle containing one obtuse angle
parallel lines   lines in a plane that do not intersect
parallelogram   a quadrilateral w/ 2 pairs of parallel sides
perpendicular lines   lines that intersect to form right angles
plane   a flat surface that extends forever
point   an exact location is space
polygon   a closed plane figure formed by 3 or more line segments that intersect only at their endpoints (vertices)
vertical angles   a pair of opposite congruent angles formed by intersecting lines
rhombus   a parallelogram w/ all sides congruent
right angle   an angle that measures 90
right triangle   a triangle containing a right angle
rise   the vertical change when the slope of a line is expressed as the ratio rise over run
rotation   a transformation in which a figure is turned around a point
rotational symmetry   a figure has rotational symmetry if it can be rotated less than 360 around a central point and coincide w/ the original figure
run   the horizontal change when the slope of a line is expressed as the ratio rise over run
scalene triangle   a triangle w/ no congruent sides
segment   a part of a line between 2 endpoints
semiregular tessellation   a tessellation formed w/ 2 or more regular polygons in which every vertex is identical
slope   a measure of the steepness of a line on a graph, the rise divided by the run
square   a rectangle w/ 4 congruent sides
supplementary angles   two angles whose measures have a sum of 180
tessellation   a repeating pattern of plane figures that completely cover a plane with no gaps or overlaps
transformation   a change in size or position of a figure
translation   a movement (slide) of a figure along a straight line
transversal   a line that intersects two or more lines
trapezoid   a quadrilateral w/ exactly one pair of parallel lines
regular tessellation   a tessellation formed by using regular polygons
regular polygon   a polygon w/ congruent sides and angles
angle   a figure formed by 2 rays w/ a common endpoint called the vertex
acute triangle   a triangle w/ angles measuring less than 90
acute angle   an angle that measures less than 90
reflection   a transformation of a figure that flips the figure across a line
Triangle Sun Theorem   the theorem that states that the measures of the angles in a triangle add up to 180

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