1. Exercises on Making Good Definitions SY 2015-2016 Source: Practice Your Skills Workbook (Discovering Geometry by Michael Serra)

2. Which term is being illustrated?

11. Sketch!

13. Fill in the blanks!

14. Identification!

15. SKETCH!

16. Always-Sometimes-Never 1.If two lines are parallel, then they are coplanar. 2.A linear pair of angles are complementary. 3.Vertical angles are obtuse. 4.A regular polygon has congruent sides. 5.An equiangular octagon is regular. 6.A scalene triangle is acute. 7.A right triangle is isosceles. 8.An equilateral triangle is isosceles. 9.An isosceles triangle is equilateral. 10.A rhombus is a square. 11.A kite is a trapezoid. 12.A square has 4 diagonals.