Mohon bantuan isi sama penjelasannya ya kakak. Trimakasih

1. L = // x t
= (8cm+12cm) x 6cm = 20cm x 6cm =
120cm²
= 120cm² x 300 = 36.000cm²
2. L = a x t
= 12cm x 7cm = 84cm²
= 84cm² x 500 = 42.000cm²

maap klo jwbnnya slh :)