Question

Q. 3. (A) Complete any one out of two activities : (1) In ABCD, diagonals AC and BD intersect each other at point E. A Р AE If EC BE ED then complete D 2. 3 the following activity to prove ABCD is a trapezium. Proof : Draw line EF || side DC such that B-F-C. In ABDC, Seg EF || side DC (Construction) BF BE ED (1) BE also ED AE EC (Given) ... (2) BF [From (1) and (2)] .- (3) EC FC Now in AACD, CE AE (By invertendo) FB seg EF || side AB (Given) and seg EF || side seg AB | side DC ABCD is a trapezium​

Answer 1

Answer:

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