Two adjacent angles share vertex and a common arm

MATHEMATICS · Subjective · CBSE · Mathematics · Lines and Angles · Lines and Angles

Problem

Two adjacent angles share vertex OO and a common arm OCOC. If the measures of the angles are 5y+205y + 20 and 3y−43y - 4 respectively and the non-common arms are known to be collinear, determine yy.

Related theory

Browse the problem library