What is the side length of an equilateral triangle that has a perimeter of 24.6 cm ?

a. 73.8 cm
b. 12.3 cm
c. 8.2 cm
d. 6.15 cm

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

(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.

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.