Question

The length of a room is 13m and it's breadth is 7.8m.Find the ratio of its length to its breadth also find the perimeter

Answer 1

Length of room=13cm
Breadth of room=7.8cm
Perimeter of room=2(l+b)
=2(13+7.8)cm
=2(20.8)cm
=41.6cm
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Answer 2

ratio of length and breadth =13:7.8
then perimeter =2(l+b)
2*(13+7.8)
2*20.8=41.6cm

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