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119TRIANGLESABCD is a quadrilateral in which AD BC andDAB- CBA (see Fig. 7.17). Prove thatBD ACZABD LBAC |
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Answer» in ∆ ABD and ∆BACAB= AB ( common)AD = BC (given)DAB = CBAso ∆ ABD and ∆BAC are congurent.ii) by CPCT BD = ACiii) by CPT ABD = BAC |
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