What’s the answer for question 2 ?

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

(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.

Are the corresponding angles congruent? explain why or why not.