In a triangle ∆ABC, if AB +BC =12 cm, CA +AB =16 cm, then the perimeter of the triangle
is ________
with explanation on how to do it also
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19 cm
AB + BC = 10
BC + CA = 12
CA + AB = 16
2(AB + BC + CA) = 38
AB + BC + CA = 19 cm
∴ Perimeter = 19 cm
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