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Verified answer
Jawab22.
tinggi trapesium = t
t² = 30² -(58-40)² = 30² - 18² = 576
t = √576 = 24 cm
Luas kebun = 1/2 ( 58 + 40)(24)
L = 1.176
Luas lahan untuk jagung = (1- 1/3) x 1176 = 784 m²
23)
sudut luar segitiga = jumlah sudut yng berdekatan didepannya
5x + 30 = 3x + 70
2x = 40
x = 20
<QPR = 3x= 3(20)= 60
24)
x= 45 + 30
x = 75