Anita is surveying students in her classroom about their favourite foods. Her survey results so far are shown below. Use fractions to answer the question. What fraction of the students prefers either ice cream or pizza?

Type of Food: Fraction of Students Who Prefer the Food:

Fruit 1/12
Ice cream 1/3
Pizza 1/4
Other ?

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