elisebaublitz2604
27.07.2019 •
Mathematics
The circumference of a spherical head of lettuce is 12π in. find the surface area of the head of lettuce. express your answer in terms of π.
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Ответ:
[surface area of a sphere]=4πr²
length of a circumference=2πr
r=length of a circumference/(2π)> 12π/2π> 6 in
so
[surface area of a sphere]=4π6²> 144π in²
the answer is 144π in²
Ответ:
Hello~
Llamalover here!
Skew lines are never parallel.
Skew lines are non-coplanar lines that do not intersect,
and parallel lines are coplanar lines that do intersect.
Step-by-step explanation:
I hope this helps!