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14.01.2021 •
Mathematics
Can the sides of a triangle have lengths 8, 13, and 20?
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Ответ:
yes
Step-by-step explanation:
The sum of any two sides of triangle should be more than the third side.
8 + 13 = 21 > 20
13+20 = 33 > 8
8 + 20 = 28 > 13
Ответ:
8 - 4x + 4y = 2x + 6
-4x - 2x + 4y = 6 - 8
-6x + 4y = -2
6x - 4y = 2 <