the length of a rectangular hall is 3 M more than the double of its breadth if its perimeter is 66 metre what is it length
Answers & Comments
Urgian
23 is the length and breadth is 10 Take x as breadth So length is 2x+3 use formula of perimeter 2(l+b)=perimeter 2(2x+3+x)=66 3x+3=33 3x=30 X=10
Answers & Comments
Take x as breadth
So length is 2x+3 use formula of perimeter
2(l+b)=perimeter
2(2x+3+x)=66
3x+3=33
3x=30
X=10
breadth=x
length= 2x+3
Perimeter of rectangle= 2(length+breadth)
66= 2(x+2x+3)
66= 2(3x+3)
66= 6x+6
66-6=6x
60=6x
60/6=x
10=x
so the breadth is 10 metre
length=2x+3
=2*10+3
=23
So the length is 23 metre
Hope this helps!!