I NEED HELP ASAP. find the value of the variable that results in congruent triangles.
A. 80
B. 10
C. 50
D. 30
![I NEED HELP ASAP find the value of the variable that results in congruent trianglesA 80B 10C 50D 30 class=](https://us-static.z-dn.net/files/df5/86cfbf54bd000562f0dc0f35f76ed268.jpg)
Answer:
A) 80°
Step-by-step explanation:
55° + 45° + (5x + 30)° = 180°
55° + 45° + 30° + 5x = 180°
130 + 5x = 180°
5x = 50°
x = 10°
=> (5x + 30)° = 5*10° + 30° = 50° + 30° = 80