Jawabanmu

2014-04-15T19:49:34+07:00
Pake rumus phytagoras. akar dari 20 kuadrat + 12 kuadrat = akar dari 544. kalkulator mana kalkulator
2014-04-15T19:50:58+07:00
Diagonal =  \sqrt{P^2+L^2}

Diagonal =  \sqrt{20^2+12^2}

Diagoanl =  \sqrt{400+144}

Diagonal =  \sqrt{544}

Diagonal = 23,3 cm

Jadi diagonalnya 23,3 cm
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