l=5cm b=2.5cm h=3cm find t.s.a
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Step-by-step explanation:
T. s. a of cuboid=2 (l×b)+(b×h)+(l×h)
2(5×2.5)+(2.5×3)+(5×3)
2(12.5+7.5+15)
2×(35)
70sqcm
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