Question

Quanto mede a diagonal de um cubo de aresta 20√3?​

Answer 1

Diagonal do cubo de aresta $\underline{\mathsf{\Re}}$

$\huge\boxed{\boxed{\boxed{\boxed{\mathsf{D=\Re\sqrt{3}}}}}}$

$\dotfill$

$\mathsf{D=\Re\sqrt{3}}\\\mathsf{D=20\sqrt{3}\cdot\sqrt{3}}\\\mathsf{D=20\cdot \diagup\!\!\!\!\sqrt{3^{\diagup\!\!\!\!2}}}\\\mathsf{D=20\cdot3}\\\huge\boxed{\boxed{\boxed{\boxed{\mathsf{D=60~u\cdot c}}}}}$