How many minutesare there in a week?
Find the number of minutes in a week
There are 7days in a week.
And 1day=24hour
So, 7days=7×24
=168hours
Since, 1hour=60minutes
Thus, 7days=168×60
=10080minutes
Hence, there are 10,080minutes in a week.
In the adjoining figure, ABCD is a quadrilateral. (i) How many pairs of adjacent sides are there? Name them. (ii) How many pairs of opposite sides are there? Name them. (iii) How many pairs of adjacent angles are there? Name them. (iv) How many pairs of opposite angles are there? Name them. (v) How many diagonals are there? Name them.
(a) How many edges are there in a cylinder? (b) How many vertices are there in a sphere? (c) Identify the figure given below? [3 MARKS]
If there are 22 sides in a polygon. How many diagonals are there?