vicjenj528
17.01.2020 •
Mathematics
Assume that the pattern of a circle followed
by 3 squares and a triangle continues to repeat
in the sequence of shapes in figure 9.50 and
that the numbers below the shapes indicate the
position of each shape in the sequence.
a. what shape will be above the number 999?
explain how you can tell.
b. how many squares will there be above the
numbers 1 through 999? explain your answer.
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Ответ:
400π
Step-by-step explanation:
The formula for the area of a circle is πr²
First you have to calculate the radius by halving the diameter so radius is 20m.
Then you put in your calculator πx20²
This equals 400π (in terms of pi).