Review: Similarity

Figure I and Figure II are similar pentagons.

Which proportion must be true?

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Tags

CCSS.HSG.SRT.A.2

Figure I and Figure II are similar quadrilaterals. Which proportion must be true?

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Tags

CCSS.HSG.SRT.A.2

Solve for X

• X = 5
• X = 2
• X = 3
• X = 4

Tags

CCSS.HSG.SRT.A.2

Find y.

• 144
• 18
• 72
• 12

Tags

CCSS.HSG.SRT.C.8

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSG.SRT.C.6

Using a proportion, find the height of the tree.

• x = 0.0625 ft.

• x = 1.6 ft

• x = 16 ft.

• x = 2 ft

Tags

CCSS.HSG.SRT.B.5

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

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

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

Lance the alien is 5 feet tall.  His shadow is 8 feet long.  At the same time of day, a tree's shadow is 32 feet long.  What is the height of the tree?

• 20 feet
• 24 feet
• 29 feet
• 51 feet

Tags

CCSS.HSG.SRT.B.5

Find the perimeter of the large triangle.

• 24
• 36
• 12
• 54

Tags

CCSS.5.MD.B.2