Scale Factor of Similar Shapes

Pentagon JKLMN is similar to pentagon VWXYZ.
What is the measurement of angle X?

• 30 degrees

• 60 degrees

• 150 degrees

• 120 degrees

Tags

CCSS.HSG.SRT.A.2

Find the missing side length.

• 32

• 35

• 20

• 16

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Mrs. Ashley used similar triangles to make a design.  Which statement about the triangles in the design must be true?

• They are the same size and shape.

• They are the same size but different shapes.

• They have corresponding angles that are congruent.

• They have corresponding sides that are congruent.

Tags

CCSS.HSG.SRT.A.2

An equation stating that two ratios are equal.

• Proportion

• Congruent

• Unit RAte

• Scale FActor

Tags

CCSS.7.RP.A.2A

Tell whether the two figures are similar. Explain your reasoning.

• Yes, similar because they are the same shape and side lengths are proportional.

• No, not similar because they are the same shape, but side lengths are not proportional.

• Yes, same shape

• No, different sizes

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

What is a scale factor?

• Shapes that have the same shape, but not necessarily the same size.

• A ratio/number that compares the sizes of the parts of the scale drawings.

• They are sides that are in the same position in different plane figures.  

• The length of a side of a similar figure.

Tags

CCSS.7.G.A.1

The rectangles are similar.

Solve for x.

Mathematical Equivalence

ON

Tags

CCSS.HSG.SRT.A.2

Solve for X.

• 2 ft

• 3 ft

• 4 ft

• 6 ft

Tags

CCSS.HSG.SRT.A.2

Find missing side

• 5

• 7

• 9

• 11

Tags

CCSS.HSG.SRT.A.2

The two rectangles are scale drawings. What is the measurement of x?

• 21

• 1.25

• 20

• 4

Tags

CCSS.7.G.A.1