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Anna007 [38]
3 years ago
12

Can anyone help me with this please I’ll mark you as a brainliest.

Mathematics
2 answers:
Ivenika [448]3 years ago
8 0
The answer is 137 degrees.

The measure of the last INTERIOR angle is 43 degrees. Since that angle and the missing exterior angle are both on a straight line, they must add up to 180 degrees.

180-43= 137
Alenkasestr [34]3 years ago
7 0
Its 43. All triangles add to 180 so 47 + 90 = 137. then subtract 180 - 137 and get 43
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<h2>Greetings!</h2>

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<h2>Hope this helps!</h2>
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3) WILL MARK BRAINLIEST + 10 POINTS!!!!!! :)
Charra [1.4K]
 
This is really a long way to go to make something complicated
out of something simple.  The last choice does the job.

cos(180)  =  -1
sin(180)  =   0

So       4 [cos(180) + i sin(180) ]

       =   4 [ -1      +  i (0) ]

       =     -4     yay!
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