What is the measure of ∠C ?
回答 (3)
2018-04-11 3:51 am
✔ 最佳答案
sin∠C / AB = sin∠A / BC …. (sine law)sin∠C = sin∠A × (AB/BC)
sin∠C = sin(110°) × (14/18)
∠C = 47.0°
The answer: 47°
2018-04-11 4:03 am
Law of Sines.
C = arcsin(c·sinA/a)
= arcsin(14·sin(110°)/18)
≅ 47°
C = arcsin(c·sinA/a)
= arcsin(14·sin(110°)/18)
≅ 47°
2018-04-11 3:44 am
I agree
收錄日期: 2021-04-24 01:00:13
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https://hk.answers.yahoo.com/question/index?qid=20180410194129AAeUHyb