Question

Question 3 of 8

What is the length of CD?
B
15- X
с хр
5
E
20
1
Answer here

Answer 1

Step-by-step explanation

Triangles ABC and CDE are congruent, then:

`\begin{gathered} (15-x)/(20)=(x)/(5) \\ 5(15-x)=20x \\ 75-5x=20x \\ 75=20x+5x \\ 75=25x \\ (75)/(25)=x \\ 3=x \end{gathered}`

Answer

x=3