find the perimeter of rectangle whose the length of a rectangle is 6 more than thrice its breadth.options are-
1)3x+5
2)8x+12
3)x+10
4)3x+10
Answers
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0
I think the option 2 is right
8x+12
Answered by
280
Given
Length of a rectangle is 6 more than its breadth
To Find
Perimeter of Rectangle
Let us assume that the breadth of a Rectangle be 'x'
thrice means three times so,thrice of Breadth is 3x
According to the question=>
Then length be 6+3x
Now , Perimeter of Rectangle is 2(l+b)
Perimeter of Rectangle=2(6+3x+x)
Perimeter of Rectangle=2(6+4x)
Perimeter of Rectangle=
Correct option is 2) 8x+12 ✓
Extra information=>
- Perimeter is the total distance occupy by a solid 2D figure around its edge.
Example in Real life : To fence a field with wire we need to find the cost of fencing in such case perimeter will used because we have to only fence border of the field.
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