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The difference between convex and concave polygons lies in the measures of their angles. For a polygon to be convex, all of its interior angles must be less than 180 degrees. Otherwise, the polygon is concave.
Fill in blanks with words given in the help boxYelledgrumbled warnedwhispered(a) "Shhh! I can hear someone moving downstairs," ..................father to mother. (b) "Why do I have to clean the table after dinner?" ..................Madhu. (c) Mother ............, "Stop! Do not touch that. It is hot." (d) The teacher.................., "Keep quiet or else I will stop the game."