Lines
AB
and
CD
(if present in the picture) are straight lines. Fill in the blank to find x.
Chapter Reference
b

Statement Reason
1. m∠AOC +m∠COE +m∠______ = m∠ ______ _________________________
2. m∠AOB = ________ _________________________
3. m∠EOB = ________ _________________________
4. x + ______ +90°=180°
Substitution
5. x = ________ Algebra

Lines AB and CD if present in the picture are straight lines Fill in the blank to find x Chapter Reference b Statement Reason 1 mAOC mCOE m m 2 mAOB 3 mEOB 4 x class=