Q14 (a) In fig. (i) given below, ABCD is a quadrilateral in which AD = 13 cm, DC = 12 cm, BC = 3 cm, ABD = BCD = 90. Calculate the length of AB.

(b) In fig. (ii) given below, ABCD is a quadrilateral in which AB = AD, A = 90 =C, BC = 8 cm and CD = 6 cm. Find AB and calculate the area of ∆ ABD.

Solution

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