Math, asked by 04417, 2 months ago

The length of a rectangular grass field is thrice its width , If the sum of length and breadth is 40 cm.

Answers

Answered by Anonymous
1

Answer:

Let length of rectangle=lcm

breadth of rectangle= bcm

Given length is 3 times its breadth

i.e. l= 3×b

Perimeter of the rectangle= 120 cm

i.e.2×( l+ b)=120

2×(3×b+ b)=120

2×(4×b)=120

8×b=120

b= 15 cm

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