How many sides a heptagon has?
7
6
8
4
A heptagon has 7 sides.
Each interior angle of a polygon is 135∘. How many sides does it have?
(a) 8
(b) 7
(c) 6
(d) 10
In a Mathematics test, the following marks were obtained by 40 students. Arrange these marks in a table using tally marks.
1
3
5
2
9
(a) Find how many students obtained marks equal to or more than7.
(b) How many students obtained marks below 4?