Similar Figures Review

x = 8

$x=\frac{11}{2}$

x = 9

x = 10

no

yes, by SAS~

yes, by AA~

yes, by SSS~

25.2

2.0

2.4

9.4

8

12

6

2

$\frac{3}{15}$

$\frac{3}{5}$

$\frac{5}{3}$

15

$\Delta RST\sim\Delta WUV;\ \ \frac{5}{6}$

$\Delta RST\sim\Delta UVW;\ \ \frac{5}{6}$

$\Delta RST\sim\Delta VWU;\ \ \frac{6}{5}$

The triangles are not similar.

10

9

12

8

10

20

13

25.5

4.5

8

20

64

No; the sides are not congruent.

Yes; $\Delta EDF\sim\Delta BCA\$ by SSS~

Yes; $\Delta EDF\sim\Delta BCA\$ by AA~

Yes; $\Delta EDF\sim\Delta BCA\$ by SAS~