Question

the length of rectangle is 10m more than its breadth.if the perimeter of rectangle 100m. find its length and breadth.​

Answer 1

Answer:

• the length of rectangle is 10m more than its breadth.if the perimeter of rectangle 100m. find its length and breadth.

let the breadth of rectangle be x

length of rectangle=x+10

ᴘᴜᴛ ᴀʟʟ ᴛʜᴇ ᴍᴀᴛᴇʀɪᴀʟs ɪɴ ᴛʜᴇ ғᴏʀᴍᴜʟᴀ :

formula of perimeter of rectangle100=2(l+b)

100=2(x+10+x)

100=2x+20+2x

100=4 x+20

100-20=4x

80=4x

80/4=x

20=x

now we have known the breath is 20m

hence ,we need to take out the length =x+10

=20+10m

=30 m

therefore,the lenght and breadth of rectangle are =

length =30m

breadth=20m

Answer 2

Answer:

$\huge \mathfrak{answer}$

Let the breadth of rectangle be x

We are given that the length of a rectangle is 10m more than its breadth.

So, Lengthy of rectangle is x+10

Perimeter of rectangle =2(Length +Breadth)2(Length+Breadth)

=2(x+10 +x)2(x+10+x)

=2(2x+10)2(2x+10)

=4x+204x+20

We are given that perimeter is 80m

So, 4x+20=804x+20=80

4x=604x=60

x=15x=15

So, Breadth = 15 m

Length = 15+10 = 25 m

Hence the dimensions of the rectangle are15 m \times 25 m15m×25m