Mathematics
Senior High
Solved
赤い矢印の部分はどのように計算すれば、4分の3になりますか?
[正解] ウ: 3, エ:4
[解説]
メネラウスの定理より, [B]
BP CQ AR
PC QARB
82 AR
.
1
34 RB
1
AR
1
よって,
AR 3
RB
=
4
AR: RB =3:4
4 AR
3 RB
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なるほど!分かりやすいです!
ありがとうございました!