the length of a rectangle is 3 cm more than the breadth and its perimeter is 50 cm. what is the sum of its length and breadth? find the length and the breadth of the triangle?
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length= 3 + b
breadth = b
Perimeter =2 (l+b)
50 = 2(3+b+b)
50 =2( 3+2b )
50/2 = 3 +2b
25 -3 = 2b
22= 2b
22/2 = b
11 cm = b
length = 3 +b
= 3+ 11
= 14cm
sum of length and breadth is = l + b
= 11 +14
= 25 cm
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