Tinggi suatu trapesium = 5 cm,luasnya = 50 cm² sedangkan panjang sisi yang sejajar = 2:3! Hitunglah panjang sisi sejajar terpendek

L = 1/2 x t x jumlah sisi sejajar
50 = 1/2 x 5 x (2n + 3n)
50 x 2 = 5 x 5n
100 = 5 x 5n
100/5 = 5n
20 = 5n
n = 4

Sisi sejajar I = 2 x 4 = 8 cm
Sisi sejajar II = 3 x 4 = 12 cm
Sisi sejajar terpendek = 8 cm

Jadikan terbaik ya, thanks

L = (a + c) × t /2
50 = (2x + 3x) × 5/2
50 × 2 = 5x × 5
100 = 25x
x = 100/25
x = 4

a = 2x = 2(4) = 8 cm ✔
c = 3x = 3(4) = 12 cm

Sisi sejajar terpendek 8 cm