A model to represent
the following problem.
2 x 7

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

What is not true about kl and mn? what is mn? (show )

(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.