MathNet 2026 — Part 02 Question 60

Question 60

A trapeze - in the trapeze in the figure below $AB$ is parallel to $CD$, $AD = AB = BC = 1~\mathrm{cm}$ and $DC = 2~\mathrm{cm}$. how much is the angle $C \hat{A} D$?

$30^\circ$
$45^\circ$
$60^\circ$
$90^\circ$
$120^\circ$