Plzz tell me 72 and 74 no. Question

Plzz tell me 72 and 74 no. Question 72, Find the numerical value of r from the diagram given below 73. In APQR; PR. A in pv and B iS a in PR. that QR - RA - AB BP. (i) that: LP : I : (iii vahr of ZQ. 74. given figure a right tnangle nght If ZBCA 2ZBAC. 75. In AABC. AB AC D is a •n BC such AD bi«cts angle B.AC. Show that AD is perpendicular of DC. 16. In the given figure. Prove MICE • ADCE

May be less explaination ..btt u r intelligent ..here u cn go wid ans

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