VSA2 marksYear: 2025MediumCBSE Class 10
trianglessimilarityparallelogramproof
Question
In parallelogram ABCD, side AD is produced to a point E and BE intersects CD at F. Prove that △ABE∼△CFB.
Solution
1

Parallelogram ABCD with AD produced to E, BE intersecting CD at F
+0.5 marks2
In △ABE and △CFB:
∠AEB=∠CBF (common angle)
∠A=∠C (opposite angles of parallelogram)
+1 mark3
∴△ABE∼△CFB (AA similarity)
+0.5 marks