Answer:
L=3×3 cm=9cm
B=3cm
H=3cm
surface area=2lh+2bh+2lb
=2×9×3+2×3×3+2×9×3
=54+54+18 cm²=126 cm²
Step-by-step explanation:
[tex] \green{mark \: me \: brainliest}[/tex]
since three are joined together
so new lenght 9cm
new breadth 3cm
new height 3cm
so surface area 2(lb+bh+lh)
2×(9×3+3×3+9×3)
2×63
126cm²
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Answers & Comments
Answer:
L=3×3 cm=9cm
B=3cm
H=3cm
surface area=2lh+2bh+2lb
=2×9×3+2×3×3+2×9×3
=54+54+18 cm²=126 cm²
Step-by-step explanation:
[tex] \green{mark \: me \: brainliest}[/tex]
Answer:
since three are joined together
so new lenght 9cm
new breadth 3cm
new height 3cm
so surface area 2(lb+bh+lh)
2×(9×3+3×3+9×3)
2×63
126cm²