Answer:
suface area = 216
Step-by-step explanation:
For side 1 multipy 10 x 7 = 70
side 2: 8 x 7 = 56
side 3: 6 x 7 = 42
top and bottom: multipy 6 x 8 = 48, but since theres two no need for dividing by 2.
Than add them all to get 70 + 56 + 42 + 48 = 216
