If the coordinates of two points arehen hnd abscissa on(abscissa of Q).0. The side BC of triangle ABC is produced to D. The bisector of 2A meets BC in L.Prove that ZABC + ZACD = 22ALCISECTION-C3 x 5 = 1511. Construct a triangle PQR in which QR = 5.4 cm. 20 = 30 and PQPR = 3.5 cm.12. The sides of a triangular field are 41 m, 40 m and 9 m. Find its area.13. Among first 20 whole numbers, what is the probability of gettinga) a multiple of 2b) a number not less than 11c) an odd number14. Factorise : 4x2 + 8x + 315. Thirty children were asked about the number of hours they watched TV programmesin the previous week. The results were found as follows:848136817316104389 687a. Make a grouped frequency distribution table for this data, taking class width 5 anone of the class intervals as 5 – 10.b. How many children watched television for 15 or more hours a week?ThumbnailEnterPlayRotate screenmich are useful inLefrom youraw of multi(adicalsi​