TEKS.MATH.7.5A

The pair of figures is similar. Find the missing side.

• x = 10
• x = 4
• x = 2
• x = 5

Tags

TEKS.MATH.7.5A

TEKS.MATH.7.5C

TEKS.MATH.9-12.III.B.3

To find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree.  How tall is the tree?

• 144 feet
• 72 feet
• 36 feet

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TEKS.MATH.7.5A

Dilate Point B by a scale factor of 1/2

• (1.5,-4)
• (-1.5,1)
• (-1,-1.5)
• (-2,-2)

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TEKS.MATH.7.5A

TEKS.MATH.7.5C

If a dilation produces a congruent figure, then the scale factor was equal to _____.

• 1/2
• 2
• 10
• 1

Tags

TEKS.MATH.7.5A

TEKS.MATH.7.5C

Two objects that are the same shape but not the same size are _______.

• Congruent
• Vertical
• Similar
• Complementary 

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TEKS.MATH.7.5A

TEKS.MATH.9-12.III.B.3

A tree is 12 feet tall and casts a shadow 9 feet long. A building nearby casts a shadow that measures 24 feet. How tall is the building? (Draw a picture, set up a proportion)

• 24 feet
• 21 feet
• 27 feet
• 32 feet

Tags

TEKS.MATH.7.5A

Tell whether the two figures are similar. Explain your reasoning. (Hint: are they proportional?)

• 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

TEKS.MATH.7.5A

TEKS.MATH.9-12.III.B.3

Similar figures have the same ______ but different ______. 

• measure; shapes
• sizes; shapes
• value; measures
• shape; sizes

Tags

TEKS.MATH.7.5A

TEKS.MATH.7.5C

Quadrilateral RSTV is dilated so that the coordinates of S' are (3, 9).  What was the scale factor of the dilation?

• 0.6
• (1, 3)
• 3/2
• 3

Tags

TEKS.MATH.7.5A

If a Scale Factor if greater than 1, then your figure gets...

• Smaller
• Bigger
• Does not change

Tags

TEKS.MATH.7.5A