find the perimeter of the given rectangles.
a) length =3.6 cm, breath= 64 mm
b) length=2.5 m breath= 80 cm
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Answer:
a) perimeter= 2(length+breadth)
=2(3.6*10+64)mm
=2(36+64)mm
=2*100 mm
=200mm
b) perimeter=2(2.5*100+80)cm
=2(250+80)cm
=2*330 cm
=660 cm
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