来自范启富的问题
1.Whatisthemeasureofoneexteriorangleofaregularpolygonhaving40sides?2.Tothenearestthousandth,whatistan(77o)3.Whentheangleofelevationtothesunis26o,aflagpolecastsashadowthatis82feetlong.Whatistheheightofthefl
1.Whatisthemeasureofoneexteriorangleofaregularpolygonhaving40sides?
2.Tothenearestthousandth,whatistan(77o)
3.Whentheangleofelevationtothesunis26o,aflagpolecastsashadowthatis82feetlong.Whatistheheightoftheflagpoletothenearestfoot?
9
4.Whatisthevalueof∑2k–3
k=4
5.1.Findthesumoftheinfinitegeometricseries:3+1.8+1.08+0.648+…
1回答
2020-05-02 23:01