Question

a saree is 5m long and 1.6 M wide are 15 cm wide Lace to be put all around the saree find the area of the lace and also the length of the lace required when the width is 50 cm

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please solved it completely

Answer 1

length of the saaree=5m
breadth of the saaree=1.6m

area of the lace=5×1.6m
=8.0 m

width of the lace=50cm i.e. 0.50 m
area of lace=(5-0.50+0.50)×(1.6-0.50+0.50)
=4m×0.6m
=2.4m

Answer 2

The length of the lace required when the width is 50 cm is 1100 cm and area of lace is 20700 sq.cm.

Step-by-step explanation:

Length of saree = 5 m =500 cm

Breadth of saree = 1.6 m = 160 cm

Width of lace = 15 cm

Outer length =500+15+15=530 cm

Outer breadth = 160+15+15=190 cm

Area of lace = Outer area - Inner area

Area of lace = $(530 \times 190)-(500 \times 160)$

Area of lace =$20700 cm^2$

Now We are supposed to find the length of the lace required when the width is 50 cm

So, Length = 500 cm

Breadth = 50 cm

Perimeter = 2(l+b)=2(500+50)=1100 cm

Hence the length of the lace required when the width is 50 cm is 1100 cm and area of lace is 20700 sq.cm.

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