32/y = cos 60°
y = 32/0,5
y = 64 cm
cos 60° = 32/y
1/2 = 32/y
y = 64 cm (D)
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32/y = cos 60°
y = 32/0,5
y = 64 cm
cos 60° = 32/y
1/2 = 32/y
y = 64 cm (D)