Polygons

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Find the value of y for each of the following quadrilaterals.

1.
QPoly11.gif
   Answer: y = °


2.
QPoly12.gif
   Answer: y = °


3.
QPoly13.gif
   Answer: y = °


4.
QPoly14.gif
   Answer: y = °


5.
QPoly15.gif
   Answer: y = °