Get a piece of patty paper and a straight edge

2. Fold the paper on a side of the triangle whose vertex is part of the right angle

1. On the patty paper, create a right triangle.

3. Trace 4. Mark the congruent sides and angles

An Iscoceles Triangle has AT LEAST 2 sides that are congruent

Notice how the angles that are across from the congruent sides are also congruent.

It also works backwards…. The sides across from congruent angles are also congruent

A special Iscoceles Triangle is an Equilateral Triangle

What can we say about the angles in an equilateral triangle?

The angles are all congruent and they are all 60o

Big Triangle Puzzle

Go over Quiz

Flow Chart

You need a pair of scissors (fancy ones are ok)Worksheets 15-A, 15B, & 16

Cut and Paste Activity

Cut out the characteristics from page 2 and position them in the appropriate place on page 1

BEFORE YOU GLUE THEM DOWN, let me check your

work.

It’s vital that your work is correct as this will be your roadmap for your project.