Problem 8
Construct a circle and a chord of the circle. With compass and straightedge, construct a second chord parallel and congruent to the first chord.
Problem 9
Identify the statement as true or false. For each false statement, explain why it is false or sketch a counterexample. If the diagonals of a quadrilateral are congruent and bisect each other, the quadrilateral is a rectangle.
Problem 15
List two objects in your home that have rotational symmetry, but not reflectional symmetry. List two objects in your classroom that have reflectional symmetry, but not rotational symmetry.
Problem 16
How many reflectional symmetries does an isosceles triangle have?
Problem 17
Words like MOM, WOW, TOOT, and OTTO all have a vertical line of symmetry when you write them in capital letters. Find another word that has a vertical line of symmetry.