Jawab:
d= 70 cm
Penjelasan dengan langkah-langkah:
diagonal pp = 2 buah dan sama panjang
2x+10=3x-20
2x-3x =-20-10
-x =-30
x=30
d=2x+10
=2(30)+10
=70 cm
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Jawab:
d= 70 cm
Penjelasan dengan langkah-langkah:
diagonal pp = 2 buah dan sama panjang
2x+10=3x-20
2x-3x =-20-10
-x =-30
x=30
d=2x+10
=2(30)+10
=70 cm