Class 9 || Chapter: Quadrilaterals || R. S. Aggarwal || E.x. 10A Q4 and Q5

Q4. In the adjoining fig., □ ABCD is a square and ∆EDC is an equilateral triangle. Prove that (i) AE = BE (ii) ∠DAE = 15^0
Q5. In the adjoining fig., BM ⊥ AC and DN ⊥ AC. If BM = DN, prove that AC bisects BD.

Class 9 || Chapter: Quadrilaterals || R. S. Aggarwal || E.x. 10A Q4 and Q5

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