Question

the length and breadth of a rectangle are in the ratio 2:1 if its breadth is 200 metre find its perimeter

full solve Krna ha​

Answer 1

Answer:

Step-by-step explanation:

Length : breadth = 2:1

= 2/3 : 1/3

breadth = 200 metres - 1/3

then length = ?  - 2/3 =( 2/3 x 200) / 1/3

= 400 metres

perimeter of rectangle = 2 ( L + b) = 2 ( 400 m + 200 m )

= 2 ( 600 m ) = 1200 m

Answer 2

Answer:

let the ratios be x.

hence,length=2x

breadth=x

btt breadth is given as 200.

hence,x=200as breadth

length=2x=2×200=400

perimeter=2(l+b)=2(400+200)=2(600)

hence.perimeter=1200metre

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