MathNet 2015-part-06 — 191 problems (EN–VI) Question 27

$\triangle ABC$ is right-angled at $A$, and $\triangle ABP$ is equilateral with $AB = 2$. The length of $AC$ is

(A) $\sqrt{6}$
(B) $\sqrt{8}$
(C) $\sqrt{10}$
(D) $\sqrt{12}$
(E) $4$