Math, asked by zalianchhunga255, 5 months ago

the suraface area of a cuboid having length 20 cm and 7 cm high is 760 cm 2.find the breadth of the cuboid​

Answers

Answered by Anonymous
1

Answer:

S.A OF Cuboid =760

=2(L×b+b×h+l×h)=760

=2(20×b+b×7cm+20×7)=760

2(20b+7b+140)=760

40b+14b+280=760

54b=760-280

54b=480

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