Similar Figures Lessons

Similar Figures Lessons

Assessment

Flashcard

Mathematics

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a scale factor in dilation?

Back

A scale factor is a number that scales, or multiplies, a quantity. In dilation, it determines how much a figure is enlarged or reduced.

2.

FLASHCARD QUESTION

Front

How do you find the height of an object using similar figures?

Back

Set up a proportion comparing the heights and shadow lengths of the objects. Use the formula: height1/shadow1 = height2/shadow2.

3.

FLASHCARD QUESTION

Front

What are corresponding angles?

Back

Corresponding angles are angles that are in the same position on two different parallel lines cut by a transversal.

4.

FLASHCARD QUESTION

Front

What is the relationship between similar figures?

Back

Similar figures have the same shape but may differ in size. Their corresponding angles are equal, and their corresponding sides are in proportion.

5.

FLASHCARD QUESTION

Front

If point A (4, 6) is dilated by a scale factor of 2, what are the coordinates of the new point?

Back

(8, 12)

6.

FLASHCARD QUESTION

Front

What does it mean to dilate a point?

Back

To dilate a point means to change its position based on a scale factor, either enlarging or reducing its distance from the origin.

7.

FLASHCARD QUESTION

Front

If a triangle has sides of lengths 3, 4, and 5, what are the lengths of the sides of a similar triangle with a scale factor of 2?

Back

6, 8, and 10.

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