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Two figures are similar if: - The measures of their corresponding angles are equal. - The ratios of the lengths of the corresponding sides are proportional.
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∙ 11y ago
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How are corresponding side lengths two similar figures related?
Corresponding sides of similar figures are proportional.
If two figures are similar then are they also congruent?
No. Two figures are similar if they have same shape, and all the angles are equal; but they can have the sides of different sizes. I mean, similar figures may have different sizes, but must have the same shape.
Can congruent figures be similar and can similar figures be congruent?
Congruent figures are always similar. However, similar figures are only sometimes congruent.
1What is the difference between congruent and similar?
Two congruent geometric figures have the same shape and the same size, whereas two similar geometric figures have the same shape but they differ in size.
What are two figures with same shape but different sizes called?
no they are similar
What does scale factor tell about the area of two similar figures?
The areas will be proportional to (scale)2
What does the scale factor between two similar figures tell you about the perimeter?
The perimeter will scale by the same factor.
What does the scale factor between two similar figures tell you about the perimeters?
if you add up all the sides but in a smart way
What are features that make two planar figures similar?
If all angles of two polygons are the same the figures are similar (irrespective of rotation).
How are corresponding side lengths two similar figures related?
Corresponding sides of similar figures are proportional.
Can a reflection be used to determine if figures are similar?
yes. if the two figures are the same size and shape, then they are similar
Can two figures be congruent but not similar?
no because if they are conmgruent then they are similar
If two figures are similar then are they also congruent?
No. Two figures are similar if they have same shape, and all the angles are equal; but they can have the sides of different sizes. I mean, similar figures may have different sizes, but must have the same shape.
What does it mean for two figures to be congruent?
Similar
Do two similar figures have to have the same size?
No.
What does scale factor of two similar figures tell you about area?
If the sides of two shapes have a scale factor of sf:1, then their areas will be in the ratio of sf2: 1.
What are two figures who have the same shape but different sizes called?
Similar figures.
