What is the value of a?
回答 (2)
2018-04-11 3:58 am
✔ 最佳答案
sinB / AC = sinA / BC …. (sine law)BC = AC × (sinA/sinB)
a = (31 cm) × (sin50°/sin62°)
a = 26.9 cm
The answer: 26.9 cm
2018-04-11 3:41 am
28 cm
收錄日期: 2021-05-01 22:22:52
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