In circle X chords AB and CD are congruent and AB is 9 units from X. Find the distance from CD to X. I need help with the steps I have no idea of how to do it. Please help.



Answer :

Given: Circle X, Chords AB and CD, AB ≅ CD, distance from AB to X is 9.

1. Circle X
1. Given
2. AB and CD are chords of circle X
2. Given
3. 
AB ≅ CD
3. Given
4. AB is 9 units from X.
4. Given
(You can combine some of these givens into one step if you want)
5. AB and CD are equidistant from X.
5. 
When ≅ chords are in the same circle, they are equidistant from the center.
6. CD is 9 units from X.
6. Substitution Property 

Refer to the attached image if you need to.
View image RedRicin

Answer:

9 units

Step-by-step explanation: