Mathematics
Mathematics, 05.05.2021 20:20, uhhgray

Find cos(a) in the triangle. Choose 1
21
А. 21/29
B. 20/29
C. 20/21
D. 21/20


Find cos(a) in the triangle.

Choose 1 
21
А. 21/29
B. 20/29
C. 20/21 
D. 21/20

answer
Answers: 3

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Do you know the correct answer?
Find cos(a) in the triangle. Choose 1
21
А. 21/29
B. 20/29
C. 20/21

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