Q12Short answerExercise 6.4
In a quadrilateral ABCD, ∠A + ∠D = 90°. Prove that AC + BD = AD + BC [Hint: Produce AB and DC to meet at E.] TRIANGLES 75
In a quadrilateral ABCD, ∠A + ∠D = 90°. Prove that AC + BD = AD + BC [Hint: Produce AB and DC to meet at E.] TRIANGLES 75