Question

formulate of sets of your own choice involving geometrical ideas​

Answer 1

(1)A = Set of all quadrilaterals

A = { Triangle, rectangle, Square...}

(2) B = Set of traingles

B = { Equilateral triangle, Scalene triangle, Acute angled triangle....}

(3) C = { x : x = Multiples of 2 }

C = { 2,4,6... }

(4) D = { x : x = 3n+1, n belongs to N and n<4}

D = { 4,7,10}