please write your answer correctly..
Share
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
16
Step-by-step explanation:
180-129= 51
51+5x-4+4x-11 = 180 (ASP OF TRIANGLE)
51+9x-15= 180
36+9x= 180
9(4+x)= 180
4+x= 20
x= 20-4
x= 16