The County Inspector greeted Margie with a smile and offered her an apple. He then removed the mechanical teacher from her possession, proceeded to repair it, and informed Margie's mother that the geography sector of the mechanical teacher was set to too high a speed. He adjusted it to an average level suitable for a ten-year-old.
(i) The kind of person the doctor is (money, possessions)
(ii) The kind of person he wants to be (appearance, ambition)
ABCD is a quadrilateral in which AD = BC and ∠ DAB = ∠ CBA (see Fig. 7.17). Prove that
(i) ∆ ABD ≅ ∆ BAC
(ii) BD = AC
(iii) ∠ ABD = ∠ BAC.
