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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 ?

1000112156.jpg

A8 cm

B9 cm

C10 cm

D12 cm

Answer:

A. 8 cm

Read Explanation:

AB = 10 cm BC = 12 cm BM = 12/2 = 6cm AM² = AC² - BM² = 10² - 6² = 100 - 36 = 64 AM = √64 = 8 CM


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