[填空题]
A container has the shape of a right circul)+;n2t)j fpjq n/r z fa.57jme mjtac9bcf; 1bm+q q35 ulsk ho*h4aq0qp d)idie.)5car cylinder, as shown in the left diagram below. The height of the container is 5 cm, and the diam).+30b5k;u d5mq p 1oh ehab*4qci ldqs f)cqieter of the cylinder's base is 8 cm.
1.Find the volume of the container, V. $cm^3$
A cup full of water has the shape of hemisphere, as shown in the right diagram above. The water from the cup is poured into the container and fills one third of the container.
2.Find the radius of the cup, r. cm