Answer:
216π sq ftStep-by-step explanation:given that :d = 12 ft => r = 12/2
Explanation:
for grain bin consists of a cone stacked on top
Natural bridge<span>, </span><span>also called </span>natural arch<span>, naturally created </span>arch formation resembling a bridge. <span>Most </span>natural bridges<span> are </span>erosion<span> features that occur in massive, horizontally bedded sandstone or </span><span>limestone</span>M<span>ay be produced by entrenched rivers eroding through </span>meander<span> necks to form cutoffs. Still others are produced by exfoliation and may be enlarged by wind erosion. </span>
Land value can mean very different thinks but it terms of this context they are talking about its worth. they are not gonna stack concrete building on a good piece of land that can be used for farming. Due to the fact that it is a urban area they make Ignore a golf course or some type of nature reserve so the land isn't harmed but instead put to good use.