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vladimir2022 [97]
3 years ago
13

HELPPPPPPP ME PLEASEE

Mathematics
2 answers:
Tcecarenko [31]3 years ago
7 0

Answer:

45

Step-by-step explanation:

180 - 135= 45

Svetlanka [38]3 years ago
5 0

Answer:

Step-by-step explanation:

Since they are consecutive angles

You would subtract 180 from 135 to get 45 Measure 2 is 45

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Aleksandr [31]

Circumference of a circle - derivation

This page describes how to derive the formula for the circumference of a circle.

Recall that the definition of pi (π) is the circumference c of any circle divided by its diameter d. Put as an equation, pi is defined as

π

=

c

d

Rearranging this to solve for c we get

c

=

π

d

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=

2

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area

=

π

r

2

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r

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=

a

π

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r

=

√

a

π

The circumference c of a circle is

c

=

2

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Business, management, marketing and technology.

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