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Find the LSA and TSA of a cuboid of length 80cm breadth 40cm hight 20cm

Posted by Kishan Pattar 8 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Alisha Akhtar 8 years, 3 months ago

T.S.A =2(l×b+b×h+h×l)= 2(80×40+40×20+20×80) 2(3200+800+1600) 2(5600)= 11200 L.S.A=2(l+b)×h 2(80+40)×20 140×20=2800

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