1.) The angle measures of a quadrilateral are in a ratio of 3 : 5 : 6 : 10. Find the measure of the largest angle.
2.) Determine whether each of the following statements is true or false:
All equilateral octagons are similar.
All regular quadrilaterals are similar.
3.) The angle measures of a triangle are in a ratio of 1 : 2 : 6. What type of triangle is this?