Get expert advice and community support for all your questions on IDNLearn.com. Our Q&A platform offers detailed and trustworthy answers to ensure you have the information you need.
Answer:
120 °
Step-by-step explanation:
the angle contained in a circle = 360 °
135 + 105 +? = 360
240 + ? =360
? = 360 - 240
= 120°