1. a. Volume = 310 cm3 b. Surface area = 279 cm2 2. Volume = 5140 mm3 3. Volume = 37.2 cm3 Surface area = 74.4 cm2 4. a. Volume = 74.4 cm3 b. Slant height = 8.54 cm c. Surface area = 107 cm2 5. a. Radius = 10 b. Volume = 2480 cm3 c. Surface area = 1116 cm2 6. Diameter of volcano = 7362 metres
|