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tatuchka [14]
3 years ago
7

Can somebody help me with that? Thank:)

Mathematics
1 answer:
Helga [31]3 years ago
3 0
The sum of the angles in a triangle is 180, so the equation will be :
2k+k+45= 180
add similar variables
3k+45=180
3k=135 (divide each side by 3)
k= 45
So 2k equals= 90
k=25
This is right angle triangle for your info!
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