101 Disney Songs: for Violin (VIOLON)

101 Disney Songs: for Violin (VIOLON)

Matematika PLS BANTU , LAGI BUTUH SKRG ​

PLS BANTU , LAGI BUTUH SKRG ​

sisi² + sisi² = diagonal sisi²

2 sisi² = (9√2)²

2 sisi² = (81 x 2)

sisi² = (81 x 2)/2

sisi² = 81

sisi = √81

sisi = 9

Keliling persegi = 4 x sisi = 4 x 9 = 36

Luas persegi = sisi x sisi = 9 x 9 = 81

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