please help.......please
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Answer:
1750 cm²
Step-by-step explanation:
Given:
Dimensions of cardboard:
Length (l) = 25cm
Breadth (b) = 20cm
Height (h) = 15cm
To Find:
TSA of Box
Solution:
TSA of rectangle = 2(lb + bh + hl) unit²
∴ TSA of Card board = 2( 25×20 + 20×15 + 15×25) cm²
= 2(500 + 300 + 375) cm²
= 2(875) cm²
= 1750 cm²
∴ The TSA of the cardboard box is 1750 cm²
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