Geometry Review

The scale factor of two similar figures is 4 : 5. What is the ratio of their perimeters?

• 4 : 5

• 16 : 25

• 64 : 125

• 8 : 10

The triangles are similar and the perimeter of SRT = 15. What is the scale factor between the two?

• ⅘

• ⅚

• ½

• ¾

The triangles are similar, solve for the question mark.

• 8

• 12.5

• 18

• 24

Tags

CCSS.HSG.SRT.B.4

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Tags

CCSS.7.RP.A.2B

Solve the proportion.

• -3

• -1.5

• 2.1

• 9

Tags

CCSS.7.EE.B.3

A triangle’s angle measures are in the extended ratio of 2 : 4 : 9. Find the measures of the angles.

• 20^o, 40^o, 90^o

• 24^o, 48^o, 108^o

• 24^o, 32^o, 124^o

• 20^o, 40^o, 100^o

Tags

CCSS.8.G.A.5

A triangle’s angle measures are in the extended ratio of 3 : 4 : 11. Find the measures of the angles.

• 30^o, 40^o, 90^o

• 30^o, 40^o, 110^o

• 10^o, 30^o, 140^o

• 40^o, 40^o, 100^o

Tags

CCSS.7.G.B.5

A triangle’s angle measures are in the extended ratio of 1 : 2 : 3. Find the measures of the angles.

• 30^o, 60^o, 90^o

• 10^o, 20^o, 30^o

• 20^o, 40^o, 60^o

• 30^o, 50^o, 100^°

Tags

CCSS.8.G.A.5

When figures are similar, their corresponding angles are__________________.

• congruent

• proportional

• yellow

• obtuse

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

When figures are similar, their corresponding sides are__________________.

• congruent

• proportional

• invisible

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6