Unit 7.1-7.2 Review

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

• 20, 40, 90
• 24, 32, 124
• 20, 60 100
• 24, 48, 108

Tags

CCSS.8.G.A.5

The ratio of the measures of the sides of a triangle is 3:5:6. If the perimeter of the triangle is 196 inches, find the length of the shortest side.

• 14
• 84
• 42
• 70

The distance between two cities on a map is 4.125 inches. Find the actual distance if the scale on the map is 2 inches = 40 miles.

• 165 miles
• 50 miles
• 82.5 miles
• 41.25 miles

Tags

CCSS.6.RP.A.3B

What is the scale factor from ΔDEF to ΔABC?

• 1/2
• 2/1
• 3/5
• 5/2

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

If triangle PQR is similar to VST with a scale factor of 3:5, find the value of x.

• 16.8
• 12.4
• 15.6
• 8.3

Tags

CCSS.HSG.SRT.A.2

If Triangle JKL ~ Triangle NML, find the values of x and y.

• x = 12 and y = 28
• x = 18 and y = 33
• x = 35 and y = 18
• x = 32 and y = 21

Tags

CCSS.HSG.SRT.A.2

Triangle AGN ~ Triangle FLS; find x

• x = 8
• x = 9
• x = 10
• x = 7

Tags

CCSS.HSG.SRT.A.2

If Triangle ABC ~ Triangle EDC, find AC.

• AC = 60
• AC = 70
• AC = 75
• AC = 55

Tags

CCSS.HSG.SRT.A.2

If Triangle JKL ~ Triangle MKN, find the value of x.

• 12
• 40
• 45
• 14

Tags

CCSS.HSG.SRT.A.2

Triangle XZW is similar to triangle XYV, find the perimeter of triangle XZW.

• 176.4
• 142.3
• 98
• 1196.2