Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
0 votes

Find the number of rectangles in the figure.



Can you answer this question?

1 Answer

0 votes
There are 5 vertical parallel lines and 4 horizontal parallel lines.
At a time two vertical lines and two horizontal lines are to be selected
to form a rectangle.
$\therefore$ No. of rectangles = $^5C_2.^4C_2$
$=10\times 6=60$


answered Aug 20, 2013 by rvidyagovindarajan_1
edited Dec 20, 2013 by meenakshi.p

Related questions

Ask Question
student study plans
JEE MAIN, CBSE, AIPMT Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App