a black board is of length 300 cm and breadth 140 cm find the perimeter and area of the blackboard.
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Answered by
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Length= 300cm , Breadth= 140cm
Perimeter of blackboard= 2(l+b)
=2(300+140)
=2×440
=880cm
Area of blackboard= l×b
= 300×140
= 42000cm²
hope it help you! and plz mark my answer as brainliest...
Perimeter of blackboard= 2(l+b)
=2(300+140)
=2×440
=880cm
Area of blackboard= l×b
= 300×140
= 42000cm²
hope it help you! and plz mark my answer as brainliest...
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0
Answer:
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