Math, asked by gaganafashion, 6 months ago

1.the area of a rectangular plot is 432m2. if it's length is 18m find its perimeter also find the cost of fencing it at Rs.5per metre
2. find the breadth of the rectangle of perimeter 660m and whose length is 210m
3. Pinky runs around a square field of side 75 m Bobby runs around a rectangular field with length 160 cm and breadth 105m who covers more distance by how much
answer step by step​

Answers

Answered by paravs180
0

Answer: Step-by-step explanation:

1. GIVEN: area of plot=432m2

             length=18m

we know that area of rectangle=length*breadth

         so, L*B=Area of plot

             18*B=432

              B=432/18=24m

perimeter=2(L+B)=2(18+24)=84m

COST OF FENCING 1m=Rs.5

cost of fencing 84m=84*5=420Rs

2.Perimeter of rectangle=2(L+B)

 660=2(210+B)

 330=210+B

 330-210=B

B=120

Breadth=120m

3. case of pinky

side of square field=75m

perimeter of square field=4*side=4*75=300m

case of bobby

length of rectangular field=160cm=1.6m

breadth of rectangualr field=105m

area of rectangular field=length*breadth

area=1.6*10.5=168m

it is clear that pinky covered more distance by (300-168)=132m

there can be little confusion in the 3rd part becoz you have given 160cm but if its 160m .then sorry.

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