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Luas trapesium (atas) = (a + b) • t : 2
= (30 + 50) • 15 : 2
= 80 • 7,5 = 600
Luas trapesium (bawah) = (a + b) • t : 2
= (30 + 50) • 25 : 2
= 80 • 12,5 = 1000
*tingginya didapat dari 40 - 15*
Luas layang layang = d1 • d2 : 2
= 40 • 30 : 2 = 600
*panjang diagonal 1 didapat dari (50 - 30) • 2 dan diagonal 2 didapat dari 15 • 2*
Luas total = 600 + 1000 + 600 = 2200
Semoga benar :), maaf kalau salah :(