Answer:
12 + 10 + 15,62= 37,62
Step-by-step explanation:
According to the Pythagorean Theorem, you will have this:

* There was an error in the correct answer, so I corrected it, as you can see.
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Answer:
8 times larger
Step-by-step explanation:
The radius of the large sphere is double the radius of the small sphere.
Answer:
37 minutes
Step-by-step explanation: