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Ber [7]
3 years ago
10

Circle O has a circumference of 36pi cm

Mathematics
1 answer:
iogann1982 [59]3 years ago
8 0

Circumference = 2 pi r , so

36 pi = 2 pi r

r = 36 pi / 2 pi

= 18 cm  answer

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Step-by-step explanation:

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Which figures are polygons
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Define four symbolic constants that represent integer 25 in decimal, binary, octal, and hexadecimal formats
Vedmedyk [2.9K]

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4) Hexadecimal   25= (19)_{16}

Step-by-step explanation:

Given : Integer is 25                      

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2) Integer into binary - To convert into binary the base goes to 2, it form in 0 and 1 and we divide integer by 2.

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2 | 12    R=1    ←

2 | 6     R=0   ↑

2 | 3      R=0  ↑

2 | 1  →   R=1   ↑

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Divide 25 by 8 and note down the remainders.

8 | 25

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4) Integer into hexadecimal - To convert into hexadecimal the base goes to 16 and we divide integer by 16.

Divide 25 by 16 and note down the remainders.

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