The Ratio of Similarity: Calculate The Missing Side based on the formula

What is the ratio between sides AB and BD?

4

Triangles CED and ABC are similar.

Choose the correct equation for calculating X.

$x+4=12$

Triangles FED and ACB are similar.

Calculate the length of X.

12

Triangles DEF and ABC are similar.

What is the length of side DF?

10

Triangles KRA and ENB are similar.

What is the length of side RA?

8

The triangles KNR and DFE are similar.

What is the value of X?

$6$

What is the length of side DB equal to?

33

What is the length of side AE equivalent to?

159

AB is parallel to DE.

Calculate $a\times b$.

15

Calculate the length of side CD.

5

Triangles EBN and KAR are similar.

Which of the equations is correct for calculating the length of AR and EN?

$x+6=4x$

Triangles ABE and ADC are similar.

AC = 5

Calculate X and Y.

X=2.1 , Y=4.5