RS Aggarwal Class 7 Math Eighteenth Chapter Reflection and Rotational Symmetry Exercise 18A Solution EXERCISE 18A Tick (√) the correct answer in each of Q. (1) to Q. (9). (1) A scalene triangle has Ans: (a) no line of symmetry. (2) A rectangle is symmetrical about Ans: (c) a line joining the midpoints of its […]