Equal Sign
What do you call angles that are equal & similar
congruent angles
the ratio of the length of the model to the corresponding length of the actual object.
scale
Transformation that enlarges or decreases the size of a figure
dilation
If two polygons are similar polygons then....
....the corresponding angles are congruent and the lengths of corresponding sides are in proportion.
an equation stating that two ratios are equal.
Proprtion
a model similar to the actual object it represents
scale model
To dilate to a larger size
enlargement
These have the same shape but not necessarily the same size
Similar figures
Multiplying diagonally
cross products
The ratio of a length in the image to the corresponding length in the original figure
the scale factor.
Another word for making smaller
reduction, reduce, decrease
A number used to change one set of units to another, by multiplying or dividing
conversion factor
Spin
Rotation
a ratio that compares quantities measured in different units, such as miles to gallons or feet to seconds
rate
uses proportions and similar triangles to measure distances that would be difficult to measure directly.
indirect measurement
- 24 is what kind of number?
Real, integer, rational
There are 9 kittens in total. 4 kittens were adopted. The ratio is 4/5. What type of ratio is this?
Part-to-Part Ratio
the rate for one unit of a given quantity.
unit rate
Silde
Translation
Pi is what kind of number?
irrational