Find the area of the parallelogram. Write your answer in simple radical form.
(Hint : Use 30-60-90 triangle to find the height)

Find the area of the triangle.  $Area\ =\ \frac{1}{2}\times base\times height$  

Find the area of the triangle.

The area of the triangle is 58.2 yd². Find the missing dimension.

Find the area of the triangle.

(Hint: use 45-45-90 triangle to get missing dimensions)

Find the area of the triangle.

( Hint : Use Pythagoras theorem to find the missing height)