- A3.5
- B4.5
- C5.5
- D9
Step-by-Step Solution
D is mid-point of AB and F is mid-point of BC, so DF = AC = (9) = 4.5 cm.
Answer: B) 4.5
For triangle ABC, D and E are mid-points of AB and AC, and DE = 4.5 cm. A point F lies on BC such that BF = FC.
A student joins D to F. Given DF is parallel to AC, what is the length of DF if AC = 9 cm?
Class 9The Mid-point TheoremGeometry — Quadrilaterals
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