meechristianp
21.02.2021 •
Mathematics
PLS PLS PLS HELP 100 POINTS no scamming
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Ответ:
parallelogram:
Hexagon:
Triangle:
Ответ:
2x+18+5x-9
2x+5x18-9
7x+9
7. 7
x= 1.4
hope it helps