2011SP-II-22
Ans: C
Join $OE$.
… Read Join $OE$.
$\begin{array}{rcl}
\angle AOE & = &
HKDSE-MATH
2011SP-II-23
Ans: B
Note that $\Delta EFD \sim \Delta EBC$. Therefore, we
… Read Note that $\Delta EFD \sim \Delta EBC$. Therefore, we
2011SP-II-24
Ans: D
In $\Delta ABD$,
… Read In $\Delta ABD$,
$\begin{array}{rcl}
\angle BDA �
2011SP-II-25
Ans: A
The 6-sided polygon on the right rotates anti-clockw
… Read The 6-sided polygon on the right rotates anti-clockw
2011SP-II-26
Ans: D
$\begin{array}{|c|c|} \hline
\mbox{Rotation anti
… Read $\begin{array}{|c|c|} \hline
\mbox{Rotation anti
2011SP-II-27
Ans: D
According to the box-and-whisker diagram, the lower
… Read According to the box-and-whisker diagram, the lower
2011SP-II-28
Ans: B
There are $23$ staff members in the office. Therefore
… Read There are $23$ staff members in the office. Therefore
2011SP-II-29
Ans: D
For the group $\{a-7, a-1, a, a+2, a+4, a+8\}$.
… Read For the group $\{a-7, a-1, a, a+2, a+4, a+8\}$.
The mea
2011SP-II-30
Ans: B
I is correct. The sample size is only 2, very small.
… Read I is correct. The sample size is only 2, very small.
II i
2011SP-II-31
Ans: B
$\begin{array}{cl}
& \dfrac{1}{2-x}+\dfrac
… Read $\begin{array}{cl}
& \dfrac{1}{2-x}+\dfrac
2011SP-II-32
Ans: D
$\begin{array}{rcl}
y & = & ab^x \\
\log_5
… Read $\begin{array}{rcl}
y & = & ab^x \\
\log_5
2011SP-II-33
Ans: A
$\begin{array}{cl}
& 1~0100~1000~1001_2 \\
=
… Read $\begin{array}{cl}
& 1~0100~1000~1001_2 \\
=
2011SP-II-34
Ans: A
$\begin{array}{cl}
& 4k-\dfrac{6+ki}{i} \\
=
… Read $\begin{array}{cl}
& 4k-\dfrac{6+ki}{i} \\
=
2011SP-II-35
Ans: D
The solution of $0\le x \le 6$ is the region on the left h
… Read The solution of $0\le x \le 6$ is the region on the left h
2011SP-II-36
Ans: C
Let $a$ and $d$ be the first term and the common differe
… Read Let $a$ and $d$ be the first term and the common differe
2011SP-II-37
Ans: C
Consider the general case $g(x)=f(x+h)+k$.
… Read Consider the general case $g(x)=f(x+h)+k$.
If $h$ is
2011SP-II-38
Ans: A
By sine law, we have
… Read By sine law, we have
$\begin{array}{rcl}
\dfrac{x}{
2011SP-II-39
Ans: A
$\begin{array}{rcl}
P(1+\dfrac{6\%}{12})^{12} +
… Read $\begin{array}{rcl}
P(1+\dfrac{6\%}{12})^{12} +
2011SP-II-40
Ans: C
… Read In $\Delta ABC$,
$\begin{array}{rcl}
AC & = �
2011SP-II-41
Ans: B
In $\Delta ATC$,
… Read In $\Delta ATC$,
$\begin{array}{rcl}
\angle TAC �