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5 Written questions
5 Matching questions
 concentric circles
 protractor (or geometer)
 decagon
 scalene triangle
 equilateral triangle
 a A triangle whose sides are congruent.
 b A tool used to measure the size of an angle in degrees.
 c A triangle with three sides of different lengths.
 d A polygon with 10 sides
 e Circles that share the same center.
5 Multiple choice questions
 A ray that has its endpoint at the vertex of the angle and that divides the angle into two congruent angles.
 A polygon with 3 sides
 Two noncollinear rays having a common endpoint
 A triangle with an obtuse angle.
 On the same line.
5 True/False questions

regular polygon → A polygon whose sides are congruent.

acute triangle → A triangle with three acute angles.

vertex (of an angle) → The common endpoint of the two rays of the angle.

polygon → A polygon with 9 sides

line → An undefined term thought of as a straight, continuous arrangement of infinitely many points extending forever in two directions. It has length, but no width or thickness, so it is onedimensional.