Join the growing community of curious minds on IDNLearn.com and get the answers you need. Ask your questions and receive accurate, in-depth answers from our knowledgeable community members.
So here,
x°+100°+( x+12)°= 180°(being in a straight line)
2x° + 112°=180°
2x°=180-112°
x=68/2
x=34°