The total surface area of the cupboard is 592 cm².
The dimensions of the cupboard are 12cm by 10cm by 8cm.
What is the formula to find the total surface area of the cuboid?
The formula to find the total surface area of the cuboid is 2(lb+bh+hl).
Now, the total surface area of the cupboard=2(12×10+10×8+8×12)
=2(120+80+96)=592 cm².
Therefore, the total surface area of the cupboard is 592 cm².
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