Explicaê

01

A figura mostra um paralelepípedo reto-retângulo ABCDEFGH, com base quadrada ABCD de aresta a e altura 2a, em centímetros.


https://d23vy2bv3rsfba.cloudfront.net/questoes_imagens/0_36e0140d6ccf4e792f6e4870d23731e9_46534.jpg.jpeg

A distância, em centímetros, do vértice A à diagonal BH vale:

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