smooth5471
30.09.2019 •
Mathematics
What is the approximate area of the circle shown below?
a.
1134 in2
b.
4536 in2
c.
119 in2
d.
60 in2
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Ответ:
3.14 x (19 in) x (19in)
3.14 x 361
1133.54
the answer is A
Ответ:
The constant of proportionality is the ratio between two directly proportional quantities. Two quantities are directly proportional when they increase and decrease at the same rate. The constant of proportionality k is given by k=y/x where y and x are two quantities that are directly proportional to each other.