Proportions and Similar Figures Review

 $\frac{1}{5}=\frac{3}{15}$  Is this a proportion?

• Yes 

• No

 $\frac{2}{6}=\frac{6}{16}$  Is this a proportion?

• Yes 

• No 

A scale drawing of a rectangular field is shown, with a scale of 15 yards = 1 inch. Find the actual lengths of the sides of the field . Pick 2 choices.

• 15 yards

• 30 yeards

• 45 yeads

• 90 yards

• 180 yards

The ratio of boys to girls in the schools' math team is six to seven. Which combinations of boys and girls could the team NOT have?

• Twelve boys and fourteen girls

• Twelve boys and twenty-one girls

• Eighteen boys and Twenty-one girls

• Twenty-four boys and Twenty-eight girls

Travis is making a scale model of his home. The actual home is 45 feet long and 35 feet wide. Travis wants his model to be 15 inches in length. Which could be used to find the width of his model if he uses the same ratio?

• $\frac{x}{45}=\frac{15}{35}$

• $\frac{45}{15}=\frac{35}{x}$

• $\frac{45}{x}=\frac{35}{15}$

• $\frac{35}{15}=\frac{x}{45}$

 $Quadrilateral\ PQRS\ \sim\ WXYZ.\ \ Choose\ ALL\ statements\ that\ must\ be\ true.$  

•  $\frac{RS}{PS}=\frac{YZ}{WZ}$  

•  $\frac{QR}{XY}=\frac{WX}{PQ}$  

•  $\frac{WX}{PQ}=\frac{YZ}{RS}$  

•  $\angle\angle X\ \cong\angle Z$  

•  $\angle Y\ \cong\ \angle R$  

 $Two\ traingles\ are\ similar.\ \ \Delta DEF\ \sim\Delta LMN.\ \ What\ is\ the\ mis\sin g\ side\ in\ the\ following\ proportion?\ \ \frac{MN}{EF}=\frac{LM\ }{?}$  

• DF

• DE

• MN

Quadrilateral ABCD aand EFGH are similar. What is the ratio of the lengths of corresponding sides of EFGH to ABCD?

• $\frac{1}{3}$

• $\frac{1}{2}$

• $\frac{2}{3}$

• $\frac{6}{9}$

Rectangle DEGF is similar to rectangle HIJK. What is the ratio of a side of HIJK to the corresponding side of DEGF?

• $\frac{4}{3}$

• $\frac{3}{4}$

• $\frac{5}{6}$

• $\frac{6}{5}$

The points (3,8) and (9, 24) are on the graph of a proportional relationship. Determine whether the point (0,0) lies on the line through the two points.

• Yes

• No