Sect. 6.2 Missing Lengths of Similar Triangles Practice

Find side length X.

• 16
• 18
• 2.4
• 15

Tags

CCSS.HSG.SRT.A.2

If two figures are similar their angles are______.

• proportional
• congruent
• supplementary
• complementary

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

If two figures are similar, the corresponding sides are ______________.

• equal
• congruent
• proportional
• none of these

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

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

• 4 ft
• 6.25 ft
• 1.25 ft
• 5.75 ft

Tags

CCSS.HSG.SRT.C.8

The triangles are similar, solve for the question mark.

• 8
• 12.5
• 18
• 24

Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?
A(3,3) B(6,6) C(9,3)

• A'(9,9) B'(18,18) C'(27,9)
• A'(6,6) B'(9,9) C'(12,6)
• A'(0,0) B'(3,3) C'(6,0)
• A'(1,1) B'(2,2) C'(3,1)

Tags

CCSS.8.G.A.3

What does it mean for two shapes to be similar?

• Same shape, but different size.
• Same size and same shape.
• Their angles add up to 180^o.
• They are congruent.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

A dilation that is a reduction has a scale factor that is______.

• Negative

• Between 0 and 1

• Greater than 1

• Any fraction

Tags

CCSS.8.G.A.3

The point (8, 12) was dilated to become point (2, 3). What was the scale factor?

• ½
• ¼
• 4
• 2

Tags

CCSS.8.G.A.3