Luiz disse para Bruno que somente com a informação do pé direito de 270cm e o ângulo de 30° é suficiente para Bruno saber a medida da escada que ele vai colocar dentro da casa que está construindo. Você concorda com o Luiz?Por quê?

answer

explanation

the area of a circle is calculated using the formula

or

we can use any of the above formulae to calculate the required. preferably, let us use the latter since the diameter is

we substitute the diameter into the formula to get:

this is the exact value for the area of the circle.

the correct answer is a

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.

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