How many squares are along the side of a chessboard?

Which expression is equivalent to 4 square root 6 divided by 3 root 2

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

(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.