Biology
Senior High
赤線はどのようにけいさんしているのでしょうか。。
sin ZDCE = sin /BEC =
10
また,AD= 3 m, AE =7.2 mより
DE =3 + (7.2)= 3,/1+ (2.4)
=3/6.76 = 3(2.6)2
=7.8 (m)
よって次部さんを見込む角をgとすると、正形
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