6. Rumus Trapesium
1. Luas (L) = 1/2 x (a + b) x h
2. Keliling (K) = a + b + c + d
3. Jika trapesium sama kaki:
a. Luas (L) = 1/2 x (a + b) x h
b. Keliling (K) = 2 x (a + c)
4. Jika trapesium sama sisi:
a. Luas (L) = 1/2 x (a + b) x h
b. Keliling (K) = 4 x a
8