(i) Mass literacy was possible only after the invention of the printing machine.
(ii) Ramesh is unable to tackle the situation as he lacks imagination.
(iii) I could not resist the temptation to open the letter.
(iv) Hardwork and dedication are the main keys to success.
(v) The children were almost fainting with exhaustion after being made to stand in the sun.
(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.
