Find the Angle of rhombus
![Find The Angle Of Rhombus class=](https://ph-static.z-dn.net/files/dcb/179c11384b98fba8731e3dee206ab8cb.jpg)
Answer:
total angle = 360°
360° = b + b + 42° + 42°
360° = 2b + 84°
360° - 84° = 2b
276° = 2b
138° = b