Statement | Reason |
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1. ![]() ![]() |
XA is a straight line. |
2. ![]() ![]() ![]() ![]() ![]() ![]() |
Similarly, as (i) |
3. (![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Polygon has n sides. |
4. (2n – 4) right angles + (![]() ![]() ![]() ![]() |
The Sum of interior angles of a polygon of n sides is (2n – 4) right angles. |
5. ![]() ![]() ![]() ![]() |
From 4. |