Question

The perimeter of a rectangular grassy plot is 189m and breadth is 10.5 m. Find the length (4)

and area of the plot.​

Answer 1

Answer:

perimeter of rectangle = 2( l+b)

189 = 2l+ 2b , where b = 10.5m

189 - 2( 10.5) = 2l

189- 21 = 2l

168 = 2l

l= 84m

Area of rectangle = (l × b )

= ( 84 × 10.5 )

= 882 m²

length = 84

Area = 882m²

Answer 2

Answer:

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Step-by-step explanation:

perimeter of a rectangular grassy plot is 189m

breadth is 10.5 m

length ?

perimeter of a rectangular l=p/2-w

perimeter of a rectangular l=189/2-10.5

perimeter of a rectangular l=94.5-2

perimeter of a rectangular 92.5

l=92.5

Area of the plot=w×l

Area of the plot=10.5×92.5

Area of the plot=971.25