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Ashley Martin

25 III, 42 , 51i) length = 4 cm, breadth = 3 cmii) length = 15 m, breadth = 10 mii) length = 10 cm, breadth = 5 cmiv) length = 7 km, breadth = 5 kmD. Find the perimeters of rectangles whose lengths and breadths are as follows.​

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Answer:

i)14cm

ii)50m

iii)30cm

iv)24km

i) 2x(l+b)      ii) 2x(l+b)        iii) 2x(l+b)     iv)2x(l+b)

 2x(4+3)          2x(15+10)       2x(10+5)       2x(7+5)

 2x7=14cm          2x25=50m        2x15=30cm       2x12=24km

134
Evgeniya
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