james8781
27.01.2021 •
Mathematics
Work out the diameter of a circle with area = 9 cm?
The diameter of the circle is
cm (3 s.f.).
Solved
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Ответ:
1.69
Step-by-step explanation:
Area of a circle =pi x r^2
9/pi =2.864788... =radius squared
Square root of 2.864788= 1.692568...
=1.69
Ответ:
Vertex is (-2,-3) and it's a minimum.