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2-9.

Mei puts the shapes below into a bucket and asks Brian to pick one out.  

Kite     Parallelogram     Isosceles Triangle

Right Triangle     Right trapezoid     Square

  1. What is the probability that he pulls out a quadrilateral with parallel sides?

    Identify the shapes that are quadrilaterals with a .

    A kite (labeled Q), parallelogram (labeled Q), isosceles triangle, right triangle, right trapezoid (labeled Q) and square (labeled Q).

    Identify the shapes that have parallel sides with a .

    A kite, parallelogram (labeled P), isosceles triangle, right triangle, right trapezoid (labeled P) and square (labeled P).

    Write a fraction where the numerator is the number of shapes that have both parallel sides and four sides, and where the denominators the total number of shapes.

  2. What is the probability that he pulls out a shape with rotation symmetry?