Calculate 19673
The surface of the sphere is 1256 cm2. Calculate the radius of the sphere.
Correct answer:
You need to know the following knowledge to solve this word math problem:
- algebra
- expression of a variable from the formula
- arithmetic
- square root
- square (second power, quadratic)
- solid geometry
- sphere
- surface area
Units of physical quantities:
Grade of the word problem:
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