$ 2
3
7
8
4
If Ill m, m7 = 2x and m2 = x, then what is the measure of angle 2?
30°
O 60°
o 90°
120°

(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.

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.

Need solving this 2nd limit problem.