Geometry Honors - Chapter 8 - Similarity

Similar figures are congruent.

• Always

• Sometimes

• Never

An equilateral triangle is similar to a scalene triangle.

• Always

• Sometimes

• Never

Two right triangles are similar if the legs of one are proportional to the legs of the other.

• Always

• Sometimes

• Never

Find the geometric mean between 6 and 12.

• $\pm9$

• $\pm6\sqrt{2}$

• $9$

• $6\sqrt{2}$

 $Find\ the\ ratio\ of\ x:y\$   $\frac{6}{x\ +\ 4y}\ =\ \frac{8}{3x\ -\ y}$  

•  $5:19$  

•  $19:5$  

•  $1:2$  

•  $2:1$  

 $Find\ the\ positive\ value\ of\ x:$   $x\ :\ 4\ =\ 15\ :\ \left(x\ +\ 7\right)$  

•  $12$  

•  $\sqrt{53}$  

•  $5$  

•  $\frac{28}{11}$  

 $\Delta SVT\ \sim\ \Delta WYZ$   $Find\ WY\ and\ VT$  

•  $WY\ =\ 8.76\ \ \&\ VT\ =\ 4.8$  

•  $WY\ =\ 4.8\ \&\ VT\ =\ 8.75$  

•  $WY\ =\ 5.6\ \ \&\ VT\ =\ 7.5$  

•  $WY\ =\ 7.5\ \ \&\ VT\ =\ 5.6$  

Find the coordinates of pt. P

• $\left(0,12\right)$

• $\left(12,0\right)$

• $\left(5\frac{1}{3},\ 0\right)$

• $\left(0,\ 5\frac{1}{3}\right)$

 $Find\ the\ value\ of\ x$  

•  $22.4$  

•  $30$  

•  $2\ \frac{6}{7}$  

•  $35$  

 $Find\ the\ value\ of\ y$  

•  $94.5$  

•  $21$  

•  $7\ \frac{5}{7}$  

•  $6$