Algebra 2 questions?
回答 (3)
✔ 最佳答案
19. E -- none of these
20. A.
B=12/cos 30= 8*3^[1/2]. I can't understand your first question.
The sides of a 30-60-90 triangle are in the ratio 1:√3:2.
12 = A√3
A = 12/√3 = 4√3
B = 2A = 8√3
收錄日期: 2021-04-21 15:02:33
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