Explicación paso a paso:
c^2- a^2=b^2
28^2-12^2=b^2
784-144=b^2
640=b^2
[tex] \sqrt{640} = b[/tex]
[tex] \sqrt{4 \times 160} = b[/tex]
[tex]2 \sqrt{160} = b[/tex]
[tex]2 \sqrt{4.40} = b[/tex]
[tex]4 \sqrt{40} \: = b[/tex]
[tex]4 \sqrt{4.10} = b[/tex]
[tex]8 \sqrt{10} = b[/tex]
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Explicación paso a paso:
c^2- a^2=b^2
28^2-12^2=b^2
784-144=b^2
640=b^2
[tex] \sqrt{640} = b[/tex]
[tex] \sqrt{4 \times 160} = b[/tex]
[tex]2 \sqrt{160} = b[/tex]
[tex]2 \sqrt{4.40} = b[/tex]
[tex]4 \sqrt{40} \: = b[/tex]
[tex]4 \sqrt{4.10} = b[/tex]
[tex]8 \sqrt{10} = b[/tex]