6.2 Similar Polygons

The polygons shown are similar.  Solve for the value of x.

• x=9
• x=10
• x=11
• x=12

Tags

CCSS.HSG.SRT.A.2

The polygons are similar. 
Find the Perimeter of ΔPQR

• P = 40
• P = 48
• P = 60
• P = 72

The ratio of the areas of two similar polygons is 25:121.  What is the ratio of their sides?

• 25:121
• 11:5
• 121:25
• 5:11

If the scale factor of two similar polygons is 7:9, what is the ratio of sides?

• 9:7
• 7:9
• 49:81
• 81:49

If the scale factor of two similar polygons is 7:9, what is the ratio of perimeters?

• 49:81
• 81:49
• 7:9
• 9:7

If the scale factor of two similar polygons is 7:9, what is the ratio of areas?

• 9:7
• 7:9
• 49:81
• 81:49

What is the scale factor of

ORPQ to TUVS?

• 15⁄9

• 9⁄15

• 3⁄5

• 5⁄3

What is the ratio of perimeters
of Quad ORPQ to Quad TUVS?

• 9⁄15
• 15⁄9
• 3⁄5
• 5⁄3

What is the ratio of perimeters
∆NOP AND ∆HLM?

• 8⁄3
• 3⁄8
• 64⁄9
• 9⁄64

Find the ratio (red to blue) of the area.

• 11/6
• 6/11
• 121/36
• 36/121

Tags

CCSS.7.G.A.1