Question

a table top measures 4 m by 2m 50 cm. What is its perimeter?
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Answer 1

Answer:

1300cm=13m

sol

length ,4m=400cm

breath,2m 50cm=250cm

Perimeter,2(l+b)

=2(400+250)

=2(650)

=1300cm

=13m

Answer 2

$for \: a \: rectangular \: table \\ length = 4m = 400cm \\ breadth = 2m \: 50cm = 250cm\\ therefore \\ perimeter = 2 \times (length + breadth ) \\ = 2 \times (400 + 250) \\ = 2 \times 650 \\ = 1300cm \\ = 13m$

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