Answer:
area = 2.14 * 3 ** 2
Explanation:
No clue what language you use but this should be pretty universal. To find the area of a circle you use pi(r) ^ 2 or pi times radius squared

In python it looks like this:
>>> area = 3.14 * 3 ** 2
>>> print(area)
28.26<em> <Printed text</em>
Explanation:
The ratio of Boys = 4x
The ratio of Girls = 5x
The Number of Boys in the School = 4x + 5x = 1080
= 9x = 1080
= x = 1080/9
<em> </em> = x = 120
The ratio of Boys = 4x = 4 x 120 = <em>480</em>
The ratio of Girls = 5x = 5 x 120 = 600
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Answer :- <u><em>The ratio of Boys =480</em></u>
Answer:
Network topology is the arrangement of the elements (links, nodes, etc.) of a communication network. Network topology can be used to define or describe the arrangement of various types of telecommunication networks, including command and control radio networks, industrial field busses and computer networks.
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