Similar Figures & Scale Drawings

Similar Figures & Scale Drawings

Assessment

Flashcard

Mathematics

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What are similar figures?

Back

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

2.

FLASHCARD QUESTION

Front

What is a scale drawing?

Back

A scale drawing is a representation of an object or area that is proportionally reduced or enlarged to fit a specific size, maintaining the same shape.

3.

FLASHCARD QUESTION

Front

How do you find the scale factor between two similar figures?

Back

The scale factor is found by dividing the length of a side of one figure by the length of the corresponding side of the other figure.

4.

FLASHCARD QUESTION

Front

If a rectangle has a length of 10 cm and a width of 5 cm, what are the dimensions of a similar rectangle with a scale factor of 2?

Back

The dimensions would be 20 cm (length) and 10 cm (width).

5.

FLASHCARD QUESTION

Front

What is the formula for the perimeter of a rectangle?

Back

The perimeter (P) of a rectangle is calculated using the formula P = 2(length + width).

6.

FLASHCARD QUESTION

Front

If the scale is 1 inch = 5 feet, how many inches represent 20 feet?

Back

4 inches represent 20 feet (20 feet ÷ 5 feet/inch = 4 inches).

7.

FLASHCARD QUESTION

Front

What is the relationship between the sides of similar triangles?

Back

The ratios of the lengths of corresponding sides of similar triangles are equal.

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