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guapka [62]
3 years ago
10

What is the surface area of this cylinder?

Mathematics
1 answer:
natali 33 [55]3 years ago
5 0

Answer:

75.4

Step-by-step explanation:

A=2πrh+2πr2=2·π·2·4+2·π·22≈75.39822

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anastassius [24]
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3 years ago
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Step-by-step explanation:

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4 years ago
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First, you need to find the total amount of games played by adding 11 and 9
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8 0
3 years ago
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3 years ago
When positive integer A, which has n digits, is multiplied by (n+2) , the product is a number with (n+1) digits, all of whose di
amid [387]

Answer:

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Step-by-step explanation:

The question is equivalent to asking what n-digit number consisting only of the digit n will be divisible by n+1. Of the numbers 1, 22, 333, 4444, ... 999999999, the only one is 666666, which is divisible by 7.

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3 years ago
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