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제목9th LS(210109) 7.3 Use Similiar Right Triangles(PDF P474)2021-01-09 17:27:31
작성자 Level 10

https://youtu.be/l-9NyWccS8k 

이전8th LS(210103) 7.1 Apply the Pythagorean Theorem(PDF P458) Level 102021-01-04
-9th LS(210109) 7.3 Use Similiar Right Triangles(PDF P474) Level 102021-01-09
다음10th LS(210110) 7.5 Apply Tangent Ratio(PDF P489) Level 102021-01-11