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Dahasolnce [82]
2 years ago
11

Which angles are vertical to each other ?

Mathematics
2 answers:
ankoles [38]2 years ago
5 0

Answer:

5 and 7

Step-by-step explanation:

katrin2010 [14]2 years ago
4 0

Answer:

∠5 and ∠7

Step-by-step explanation:

They both have the same lines that cross to create the angle. And, They are on the opposite sides of the two lines which means that they are vertical.

Hope this helps :)

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Finger [1]
The sum of all angles in an octagon is given by

180*(n-2) >>>>>>>>>with n = 8

180*(8-2) = 1080 degrees

A + B = 1080 .......where

A
  is the <span>angle of an octagon which is twice that of the other seven angles
</span><span>
B equals the sum of the other seven angles

If we assume each angle of B is equal to each other, then

B = x+x+x+x+x+x+x = 7x
</span>
And A = 2x

The equation that results is 

A + B = 2x +7x = 9x =1080

x = 120 degrees
2x = A = 240 degrees





5 0
3 years ago
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2 years ago
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