2.1 = 340 (3) ✓ ✓ ✓ answer 2.2 total surface area = ✓ = (2) ✓ subst. of h in the total SA formula 2.3 ✓ For the surface area to be as small as possible derivative. (4) ✓ 4 ✓ ✓
2.1 = 340 ✓ ✓ ✓ answer (3) 2.2 total surface area = = ✓ ✓ subst. of h in the total SA formula (2) 2.3 For the surface area to be as small as possible 4 ✓ ✓ ✓ ✓ derivative. (4)
gr-12-mathematics-faciliator-s-manual.docx