IB MAI HL Geometry & Trigonometry Topic 3.2 Trigonometry (id: 903636810)

本题目来源于试卷: IB MAI HL Geometry & Trigonometry Topic 3.2 Trigonometry，类别为 IB数学

[填空题]
A flagpole stands at the top of 9z ;ojt0r yg68 ogzx0sx-j1db wof/zzxk, y8 *u8ta (sa building. The angle of elevation from a point on the ground 40m from the xw8/*yfsz8 ozt( ka,u base of the building to the bottom of the flagpole is $29^{\circ}$, and to the top of the flagpole is $31^{\circ}$.
1.Draw a diagram representing the situation.
2.Find the length of the flagpole.  m

参考答案: 1.8


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