![20*30 Cm Bulletin Notice Message Cork Board with Wooden Frame-Pine Wooden - China Cork Board and Cork 20*30 Cm Bulletin Notice Message Cork Board with Wooden Frame-Pine Wooden - China Cork Board and Cork](https://image.made-in-china.com/2f0j00sRwGmUHEYbqQ/20-30-Cm-Bulletin-Notice-Message-Cork-Board-with-Wooden-Frame-Pine-Wooden.jpg)
20*30 Cm Bulletin Notice Message Cork Board with Wooden Frame-Pine Wooden - China Cork Board and Cork
![SOLVED: 10. An open-topped box can be created by cutting congruent squares from cach of the four corners of a piece of cardboard that has dimensions of 20 cm by 30 cm SOLVED: 10. An open-topped box can be created by cutting congruent squares from cach of the four corners of a piece of cardboard that has dimensions of 20 cm by 30 cm](https://cdn.numerade.com/ask_images/b9671355185942409693ed157ecfabfc.jpg)
SOLVED: 10. An open-topped box can be created by cutting congruent squares from cach of the four corners of a piece of cardboard that has dimensions of 20 cm by 30 cm
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