Chapter 7 review

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.HSG.CO.C.10

The extended ratio of the sides of a triangle are 2:4:7. Find the length of the shortest side if the perimeter is 117 inches.

• 18 inches
• 9 inches
• 36 inches
• 63 inches

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

What is the scale factor from triangle ABC to triangle DEF?

• 1/2
• 7/3
• 2/1
• 10/3

Tags

CCSS.7.G.A.1

Find the perimeter of the large triangle.

• 24
• 36
• 12
• 54

Tags

CCSS.5.MD.B.2

Find side length X.

• 16
• 18
• 2.4
• 15

Tags

CCSS.HSG.SRT.A.2

Triangle PQR is similar to triangle XYZ.  What is the PERIMETER of triangle XYZ?

• 21 cm
• 63 cm
• 105 cm
• 126 cm

Tags

CCSS.HSG.SRT.B.5

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

Solve for f.

• 6
• 4
• 3
• 8

Tags

CCSS.HSG.SRT.B.5

Solve for x.

• x = 5
• x = 3
• x = 14
• x = 1

Tags

CCSS.HSG.CO.C.9

Find the value of x.

• x = 4.5
• x = 9
• x = 30
• x = 3

Tags

CCSS.HSG.SRT.B.4

Are the triangles similar?

• Yes
• No

Tags

CCSS.HSG.SRT.A.2