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# Class 9 FRANK Solutions Maths Chapter 18 - Rectilinear Figures

Understand polygons with Frank Solutions for ICSE Class 9 Mathematics Chapter 18 Rectilinear Figures. Learn to use the correct theorems for calculating the sum of interior angles of a polygon or sum of exterior angles of a polygon. Also, practise how to calculate the measurement of each angle of a polygon with our chapter solutions.

Revising the Frank textbook solutions for ICSE Class 9 Maths can help you to brush up the concepts on how to find the number of sides of a given polygon. Further, if you have any doubts related to rectilinear figures, visit the ‘UnDoubt’ platform at TopperLearning for answers from experts.

## Rectilinear Figures Exercise Ex. 18.1

### Solution 16(a) ### Solution 16(b) ### Solution 17(a) ### Solution 17(b) ### Solution 18 ### Solution 19  ### Solution 20 ### Solution 21  ### Solution 22 ### Solution 23 ### Solution 33  ### Solution 34  ### Solution 35  ### Solution 36 ### Solution 37 ### Solution 1 ### Solution 2 ### Solution 3 ### Solution 4 ### Solution 5 ### Solution 6 ### Solution 7 ### Solution 8 ### Solution 9 ### Solution 10 ### Solution 11 ### Solution 12 ### Solution 13 ### Solution 14 ### Solution 15 ### Solution 24 ### Solution 25 ### Solution 26 ### Solution 27 ### Solution 28 ### Solution 29 ### Solution 30 ### Solution 31 ### Solution 32 