Question
Download Solution PDFIn trapezium ABCD, AD∥BC, O is intersection point of diagonals BD and AC. Points F and E are on AB and CD, respectively such that FE passes through point O. If BC = 5 cm and AD = 20 cm, then, the length of EF is –
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
AD/BC
BC = 5 cm and AD = 20 cm
Concept used:
If AD = a and BC = b
⇒ EF = (2a.b)/(a + b)
Calculation:
Therefore, EF = (2 × AD × BC)/(AD + BC)
⇒ (2 × 20 × 5) /(20 + 5)
⇒ 200/25
⇒ 8 cm
Last updated on Jun 25, 2025
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