Tammy has planted a small, young tree in her yard. To allow for the tree's growth, she
needs 15 feet in all directions around the base of the tree to remain open and unplanted.
Which best describes the section of ground surrounding the base of the tree that should
remain unplanted?
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we need open area of a circle of radius 15 feet
area of circle is 2πr
≈ 2×3.14× 15
≈3.14×30
≈94.2
we need area 94.2 of land for its plantation or in simple and easy words you gotta take a thread of 15 feet assuming tree as centre fix one end of thread to tree and stretch other and rotate 360° by marking the trail.
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