If the length of a rectangle is 40cm and its perimeter is 320cm then what is the length of breadth?
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4
perimeter of rectangle = 2(l+b) = 320 (given)
given l = 40cm
2(40+b) = 320
40+b = 160
b = 120cm
given l = 40cm
2(40+b) = 320
40+b = 160
b = 120cm
Answered by
0
Perimeter of rectangle is 2(l+b)=320 cm;
l+b=160 cm;
l=40 is given
b=160-40=120cm
l+b=160 cm;
l=40 is given
b=160-40=120cm
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