In a triangle ABC, D is the midpoint of AB and E is the midpoint of AC. If DE = 7.5 cm, then BC = ____.
15
3.25
7.5
14
In a triangle ABC, D is the midpoint of AB and E is a point on AC such that DE || BC. Then
In a triangle ABC, D is the midpoint of AB, E is the midpoint of AC and DE is parallel to BC, then DE : BC = ________.