Math, asked by barsa9, 1 year ago

The length of the rectangle is 4 times it's width. If the perimeter is 90 m. Find it's area

Answers

Answered by rs73415

1

Answer:Width

Willbe 9 and lenth is 4*9=36Answer:

Step-by-step explanation:

barsa9: ya

rs73415: Let the width of rectangle be x

rs73415: now acc to que length would be 4x

sobhabam: 324m

rs73415: perimeter of rectangle is 90i.e l*b =90

rs73415: x*4x=90

Answered by suryanshityagi

1

Answer:

Let the width be x

So length will be 4x

Perimeter=2(l+b)

90=2(x+4x)

90=10x

x=9cm

Thus,

l=4•9=36cm

b=4cm

Hence,

Area=lb

= 4•36

=144cm²

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