 
<translate> Jackie rịgoro n'osisi abụọ nke ọ bụla n'ime ha dị otu mita na ọkara n'ogologo. Jackie rịgoro n'osisi ikpeazụ dị mita 1000 + 200 = mita 1200. Na ngụkọta, osisi 4 Jackie rịgoro bụ 1000 ụkwụ + 500 ụkwụ + 500 ụkwụ + 1200 ụkwụ = 3200 ụkwụ. Osisi nke Jackie rịgoro n'ogologo bụ 3200 ụkwụ / 4 osisi = 800 ụkwụ n'ogologo. N'ihi ya, azịza ya bụ 800. <eng> Jackie climbed 2 trees that were 1 / 2 * 1000 feet = 500 feet tall each. Jackie climbed a final tree that was 1000 + 200 feet = 1200 feet. In total, the 4 trees Jackie climbed were 1000 feet + 500 feet + 500 feet + 1200 feet = 3200 feet. The average height tree that Jackie climbed was 3200 feet / 4 trees = 800 feet tall.
Thus, the answer is 800. 