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2x10 = 20
20/5 = 4
32.
Kell = 2(4x²+2x³) = 8x²+4x³
Luas = 4x² * 2x³ = 8xpangkat5
33.
Yg gemar keduanya = (18+22) - (35-7) = 40-28 =12
34.
2(5x+3+2x+5) = 100
7x+8 = 50
7x = 42
x = 6
Panjang 5x+3 = 30+3 = 33
Lebar 2x+5 = 12+5 = 17
Luas 33*17 = 561