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kekerice7350
21.02.2020 •
Mathematics
CW
Which of the following statements is true?
OA. A rotation followed by a dilation
maps a pre-image to a congruent
image.
OB. A translation followed by a
reflection maps a pre-image to a
similar, but not congruent, image.
O c. If two figure are congruent,
then there is a sequence of
transformations that maps one
figure to the other.
OD. If two figures are similar, the
sequence of transformations that
maps one figure to the other must
include a translation.
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Ответ:
OC. If two figure are congruent,
then there is a sequence of
transformations that maps one
figure to the other.
Step-by-step explanation:
Rigid transformations include reflections, translations and rotations.
These transformations or a combination of them produces congruent shapes.
This means that, If two figure are congruent, then there is a sequence of
transformations that maps one
figure to the other.
The 3rd choice is correct.
Ответ:
The length of the rectangle is 20 meters
Step-by-step explanation:
1. Let's review the information given to us to answer the question correctly:
Area of the rectangle = 4 square meters
Width of the rectangle = 1/5 meter = 0.2
2. What is the length?
Let's use the formula of the area of a rectangle, to answer this question:
Area = Width * Length
Replacing with the values we have:
4 = 0.2 * Length
4 = 0.2 Length
Length = 4/0.2
Length = 20 meters