The length and breadth of a rectangle are 12 cm and 9 cm, respectively. Its perimeter will be
A6 cm
B21 cm
C42 cm
D10.5 cm
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ത്രികോണം ABC യിൽ AB = AC = 10 സെ.മീ; BC യുടെ മധ്യബിന്ദുവാണ് M.
BC = 12 സെ. മീ. ആയൽ AM ൻ്റെ നീളം എന്ത് ?
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