27. The length of a rectangular field is twice its breadth. If the perimeter of the field is 150
metres, find its length and breadth.
2p Two equal sides of a triangle are each 5 metres less than twice the third side. If the
perimeter of the triangle is 55 metres, find the lengths of its sides.
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Step-by-step explanation:
Given
Length of rectangular feild is twice it's bredth.
Perimeter of rectangular feild = 150 m
To Find :-
Length and breadth of rectangular feild.
Solution :-
Let the breath be a.
So,Length will be 2a.
We know that,
\LARGE{\boxed{\red{Perimeter \: of \: rectangle \: = \:2(l + b)}}}Perimeterofrectangle=2(l+b)
_____________[Put Values]
150 = 2(a + 2a)
150 = 2a + 4a
150 = 6a
150/6 = a
25 = a
✯ So, breath of rectangular field will be = a = 25m.
✯ Length of rectangular field will be = 2a = 2(25) = 50m.
Verification :-
Using Formula :-
150 = 2(25 + 50)
150 = 2(75)
150 = 150
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