In triangleOPQ, OQ is extended through point Q to point R m angle PQR = (7x - 19) degrees. M angle OPQ = (2x - 3) degrees and m angle QOP = (x + 16) degree. Find m angle PQR. WILL MARK BRAINLIEST

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.