makayla10119
25.03.2020 •
Mathematics
List the transformations that are rigid motions ? Which are not?
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Ответ:
We don't even get a menu? Man.
Transformations that are rigid motions are also called isometries. They preserve size and shape.
Rigid Motions:
Translation
Rotation
Reflection
There's often another one called a
Glide Reflection
which is a combination of translation and reflection.
Not Rigid Motions:
Dilation
Obviously dilations change the size. There are also transformations that distort the figure, for example scaling the coordinates differently. Let's call them:
Stretching
Shearing
Ответ:
Yellow = x sweets
Blue = x + 15 sweets
Total number of sweets
Step-by-step explanation:
A bag contains sweets of three different colours: orange, blue and yellow. It is given that
Let x be the number of yellow sweets, then x + 15 is the number of blue sweets.
In total, there are x + x + 15 = 2x + 15 blue and yellow sweets.This number of sweets is exactly
of all sweets, so there are