0
Anonymous
840 in (12 x 2 x (20 + 15))
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Perimeter = 20+20+15+15 = 70 feet
100
20ft * 15ft = 300 square feet.
Let x= height of the tree By ratio and proportion: 6ft/4.5ft = x/15ft 4.5ft x = 6ft (15ft) x= 20ft.
6 feet