The circumference of a circle:
2丌r
In this case, the radius:
10.4÷2
=5.2cm
The circumference
=2兀(5.2)
=2(5.2)兀
=10.4兀
Therefore the answer is 10.4兀.
Hope it helps!
Step-by-step explanation:
The angles (8x + 28) and (4x - 7) are supplementary to each other so we can write
or
Also, note that the angle (4x - 7) and 
are vertical angles, which means that they are equal to each other. Therefore,
Answer:
Option c is answer
Step-by-step explanation:
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You would add the like terms by changing them over the equals sign
6r+18=-26+6r
subtract 6r from both sides
18=-26
which is false
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