What is similarity in geometry?
Similarity

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Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Similarity in geometry refers to the relationship between two figures that have the same shape but may differ in size. The corresponding angles are equal, and the lengths of corresponding sides are proportional.
2.
FLASHCARD QUESTION
Front
What does it mean for two figures to be similar?
Back
Two figures are similar if their corresponding angles are equal and the lengths of their corresponding sides are proportional.
3.
FLASHCARD QUESTION
Front
What is a scale factor?
Back
A scale factor is a number that scales, or multiplies, some quantity. In the context of similar figures, it is the ratio of the lengths of corresponding sides.
4.
FLASHCARD QUESTION
Front
If the scale factor from triangle ABC to triangle DEF is 2, what does this mean?
Back
It means that each side of triangle DEF is twice as long as the corresponding side of triangle ABC.
5.
FLASHCARD QUESTION
Front
How do you determine if two figures are similar?
Back
To determine if two figures are similar, check if their corresponding angles are equal and if the ratios of the lengths of their corresponding sides are equal.
6.
FLASHCARD QUESTION
Front
What is the relationship between corresponding sides of similar figures?
Back
The corresponding sides of similar figures are proportional, meaning the ratios of their lengths are equal.
7.
FLASHCARD QUESTION
Front
If triangle XYZ is similar to triangle PQR and the length of side XY is 4 cm and side PQ is 8 cm, what is the scale factor?
Back
The scale factor is 2, since 8 cm (PQ) divided by 4 cm (XY) equals 2.
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