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46.Three squares are joined at their corners and strung between two verticalpoles as shown, find xCLASS IX30124° |
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Answer» Recall that sum of angles of a polygon = (2n - 4)× 90°Here number of sides, n = 9Hence the sum of angles of the given polygon =(18 - 4)× 90° =14)× 90° =1260°That is90° +90° + x + 270° +75° + 270° +124° +270° + 30° =1260°⇒ x + 1219°=1260°∴ x = 41° |
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