2.What is the most precise name for quadrilateral ABCD with vertices A(-2,4), B(5,6), C(12,4), and D(5,2)?
3. What is the most precise term for quadrilateral ABCD with vertices A(1,2), B(2,6), C(5,6), and D(5,3)?
4. Find the sum of the measures of exterior angles, one at each vertex, of an octagon.
7. What is the measure of each interior angle of a 15-gon?
8. Determine whether the following statement is always, sometimes, or never true.
A rhombus is a square.
A. always true
B. sometimes true
C. never true