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Exercício de Pontos notáveis no triângulo

por mili (Puc) Difícil Friday, July 18th, 2014

Exercício:

Uma circunferência de raio 1 tangencia os lados de um ângulo de 60°. A distância entre o centro dessa circunferência e o vértice do ângulo é igual a:

a) 1

b) √2

c) √3

d) 2

e) √5

 

Informações Adicionais:

Segundo o gabarito a resposta certa é a letra d, mas não consigo chegar nela.


Respostas:

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