Problem Solving REAL WORLD
Houghton Mifflin Harcourt Publishing Compa
Houghton Mifflin Harcourt Publishing Company
5. Barb is making a bead necklace. She
strings 1 white bead, then 3 blue beads,
then 1 white bead, and so on. Write the
numbers for the first eight beads that are
white. What is the rule for the pattern?
6. An artist is
decorate a
tiles than
has 23 til
seventh ro

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2