√√3 2 4. Using the appropriate special triangle, determine e if 0° ≤ 0 ≤ 90° for cose = a) 60° b) 30° c) 45° d) 90° 5. An equilateral triangle has a side length of 7 cm. If a perpendicular is dropped from a corner, what is the length of the perpendicular? Give the exact value. a) 24 cm b) 7√3 cm c)cm d) √3 cm

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A: