Question

Use the figure below for the following problem.



If angle DCA measures 50 degrees, what does angle ACB measure?
40
140
90

Answer 1

@mathmath333 @marie123 @henrry123 @Secret-Ninja @morganchavez

Answer 2

\(\large\tt \begin{align} \color{black}{\angle DCB=\angle DCA +\angle ACB\\
\angle DCB=90^{\circ}-------(given)\\
therefore\\
90^{\circ}=50^{\circ} +\angle ACB\\}\end{align}\)