A scale drawing of an object is the same shape at the object but a different size. The scale of a drawing is a comparison of the length used on a drawing to the length it represents. The scale is written as a ratio. The ratio of two corresponding sides in similar figures is called the scale factor. Scale factor length in image Corresponding length in object If one shape can become another using revising, then the shapes are similar. Hence, two shapes are similar when one can become the other after a resize, flip, slide or turn. In the photograph below showing the side of a train engine. Scale is 1: 200. This means that a length of 1 cm on the photograph above corresponds to a length of 200 cm, or 2 metres, on the actual engine. The scale can also be written as the ratio of two lengths.
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A scale drawing of an object is the same shape as the object but a different. size. The scale of a drawing is a comparison of the length used on a drawing to
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"They are not mirror image of one another"
Given:
Scale factor= length in image / corresponding length in object
Scale is 1: 200
length = 1 cm
2 m = actual engine
To Find:
1)What will affect the similarity of any two polygons?
a) They are flipped horizontally
b) They are dilated by a scale factor
c) They are translated down
d) They are not the mirror image of one another
Step-by-step explanation:
- Option D is the correct answer.
- The similarity of any two polygons is affected if they are not the mirror image of one another
- The similarity of any two polygons is not affected if they are flipped horizontally
- The similarity of any two polygons is not affected if they are dilated by a scale factor
- The similarity of any two polygons is not affected if they are translated down
hence, option D "They are not the mirror image of one another" Is the correct answer.
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