Question

Find the measure of ∠ 4. Round your answer to the nearest tenth. degrees

Answer 1

$It's\ a\ rhombus.\\\\|\angle3|=113^o\\\\|\angle2|+|\angle4|=180^o-113^o=67^o\\|\angle2|=|\angle4|\ therefore\ |\angle2|=67^o:2=33.5^o\ and\ |\angle4|=33.5^o\\\\|\angle1|=|\angle2|=33.5^o\\\\Answer:\boxed{|\angle4|=33.5^o}$