find (–49)×18;(–25)×(–31);70×(–19)+(–1)×70 using distributive property
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Step-by-step explanation:
ABCD is a quadrilateral in which AD = BC and ∠DAB = ∠CBA (See the given figure). Prove that (i) ΔABD ≅ ΔBAC (ii) BD = AC (iii) ∠ABD = ∠BAC.
Class 9 - Math - Triangles Page 119"
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