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markellg1128
06.01.2021 •
Mathematics
Please help me with triangle angles. due today !
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Ответ:
8x-1+3x+9+3x+4=180
8x+3x+3x=180+1-9-4
14x=168
x=12
Step-by-step explanation:
Ответ:
It is one half the area of a rectangle with sides 6 units × 2 units