Jim is building a deck for his family to enjoy. Because of a big bay window that juts out next to the deck, he has to build an angled section for the steps going down to the yard. The section will be a parallelogram. Assuming that he cannot accurately prove that any two sides are parallel, how can he be assured that he has an actual parallelogram? Identify the theorem that he will use and how he will use it.

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Ответ:

raam360

28.06.2022

Mathematics

The quantities used by Manuela were correct

Step-by-step explanation:

The question is

Did Manuela use the right quantities?

Let

x -----> the parts of oil

y ----> the parts of vinegar

we know that

The ratio of the parts of oil by the parts of vinegar of recipe is

$\frac{x}{y} =\frac{3}{1}\frac{oil}{vinegar}$

Determine the relation used by Manuela

$\frac{x}{y} =\frac{6}{2}$

Compare with the recipe

$\frac{3}{1} =\frac{6}{2}$

$3(2)=6(1)\\6=6$

Is true, the quantities are proportional

therefore

The quantities used by Manuela were correct

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