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hokamidat
24.08.2021 •
Mathematics
A ray extends forever. True or false
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Ответ:
false
false
false
false
Ответ:
it extends forever in one direction. so false i guess
Step-by-step explanation:
Ответ:
Step-by-step explanation:
A basketball is basically a sphere, so it suffices to calculate the surface are of the ball to determine the amount of required material. Given a sphere of radius r we have that the surface area is![4\pi r^2](/tpl/images/0712/3170/0887e.png)
In this case, r = 11.14 cm. So the area is aproximately 1159.48 squared cm. (1159.48 =
)