4. In Fig. 6.31
4. In Fig. 6.31, if PQ ll ST, angle PQR = 110° and angle RST = 130°, find angle QRS. [Hint : Draw a line parallel to ST through point R.]
15
Oct
4. In Fig. 6.31, if PQ ll ST, angle PQR = 110° and angle RST = 130°, find angle QRS. [Hint : Draw a line parallel to ST through point R.] 4. In Fig. 6.31 angle PQR = 110° and angle RST = 130° find angle QRS. [Hint : Draw a line parallel to ST [...]