2. An object in the shape of a cone has a radius of 9 cm and a height of 5 cm. What is its volume? 3.A cube has a side measure of 8 m. What is its volume? ST 4. A tent has a base length of 3m and a width of 4 m. If its height is 1.5 m, how much air does it contain? 5. A compost pit is full of biodegradable waste . It has a length of 2 m, a width of 2.5 m and a depth of 1.5 m. How many garbage was in the pit?