To determine the height of a pine tree, you measure the shadow cast by the tree and find it to be 20 feet long. Then you measure the shadow cast by a 36-inch tall oak sapling and find it to be d= 12 inches long (see figure). Estimate the height of the pine tree. ​

To determine the height of a pine tree you measure the shadow cast by the tree and find it to be 20 feet long Then you measure the shadow cast by a 36inch tall class=