3.2 worksheet angles

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

Explain why the factor 1.5 is broke. into two numbers in the model.

(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.