Trigonometry

$\parbox{.65\linewidth}{[{\bf BQ 4}] Referring to the triangle to th... ...what is the length of side $a$ and $b$?. Solve in as many ways as possible. }$ $\parbox{.35\linewidth}{\hspace*{5mm}\epsfxsize=1.25in \epsffile{math1.eps}}$

$\parbox{.65\linewidth}{[{\bf BQ 5}] Referring to the triangle to the right, what is the length of side $a$ and $b$?}$$\parbox{.35\linewidth}{\epsfxsize=1.75in \epsffile{math2.eps}}$

$\parbox{.35\linewidth}{\epsfxsize=2.25in \epsffile{math3.eps}}$$\parbox{.60\linewidth}{\hspace*{6mm}Referring to the triangles to t... ...ow many 60$^o$ angles are there? [{\bf BQ 8}]What geometric rules helped you?}$