HKDSE-MATH - 2022 - Paper 2 -

In $\Delta ABD$ and $\Delta CAE$,

$\begin{array}{rc

Denote the four vertices by $A$, $B$, $C$ and $D$ as sho

1. In $\Delta ACE$ and $\Delta BDE$,

   $\begin{array

Denote the vertex by $A$, $B$, $C$, $D$ and $E$ as shown

I may not be true. By the definition of rhombus, $AB=BC

Since $ABCD$ is a square, $\angle BAD=90^\circ$.

Sin

A is not true. Consider $\Delta RTV$. It is given that $