Answer:
Y = 34
Explanation:
y + 43 + 123 = 180
y + 146 = 180
180 - 146. = y = 34
y +43⁰ +123⁰ =180⁰
=) y +160⁰ =180⁰
=) y = 20⁰
5.2m questions
6.7m answers