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Level 372

Stretching & Shrinking

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adjacent sides
sides of a triangle that share a vertex
corresponding angles
Angles that have the same relative positions in geometric figures.
corresponding sides
Sides that have the same relative positions in geometric figures
equivalent ratios
Ratios whose fraction representations are equivalent. For instance, the ratios 3 to 4 and 6 to 8 are equivalent because 3/4=6/8.
the resulting figure AFTER a transformation is performed on it
if a line segment has a midpoint, then the 2 segments formed are congruent
nested triangles
Similar triangles that share a common angle. The smaller triangles fit entirely within the larger one.
An equation that states that two ratios are equal.
A comparison of two quantities, also know as fancy word for fraction.
A figure you can use to make a larger, similar version of the original.
scale drawing
An image of a figure that is similar to the original.
scale factor
the ratio of corresponding linear measurements of two similar figures
figures that have the same shape but not necessarily the same size; corresponding angles are congruent, but not necessarily corresponding sides
Corresponding Side
sides that have the same relative position in similar shapes
Equivalent Ratio
Ratios whose fraction representations are equivalent are called equivalent ratios. For instance the ratios 3 to 4 and 6 to 8 are equvalent because 3/4=6/8
Square Root
when multiplying a number by itself to get a square number
acute triangle
A triangle with three acute angles.
obtuse triangle
A triangle with one obtuse angle.
Right Triangle
A triangle with one right angle.
isosceles triangle
Triangle with 2 equal sides and 2 equal angles.
Scalene Triangle
A triangle with no congruent sides
The horizontal axis on a coordinate plane.
The vertical axis on a coordinate plane.
coordinate plane
A plan formed by the intersection of a horizontal number line called the x-axis and a vertical number line called the y-axis.
The centre point of a number line (ground floor of a hotel, freezing point on a thermometer)
horizontal line
Slope of zero
vertical line
Straight up and down line (height)
coordinate pair
A pair of numbers telling where a point lies on a graph it is always (x,y)
quadrant I
quadrant II
negative, positive
quadrant III
Quadrant IV
positive, negative
equilateral triangle
Triangle with a 90° angle
* multiplication
one that assumes false identity or title for the purpose of deception
non-similar figure
figures or images that are not alike. There shapes, sizes, and angles are different.