- Data Structure
- Networking
- RDBMS
- Operating System
- Java
- MS Excel
- iOS
- HTML
- CSS
- Android
- Python
- C Programming
- C++
- C#
- MongoDB
- MySQL
- Javascript
- PHP
- Physics
- Chemistry
- Biology
- Mathematics
- English
- Economics
- Psychology
- Social Studies
- Fashion Studies
- Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Find the perimeter of the rectangle whose length is 12 cm and a diagonal 13 cm
In a Rectangle: The width, length and diagonal form a right angled triangle
Diagonal2=Breadth2+Length2
132=Breadth2+ 122
Breadth2 =132- 122
Breadth2 =169 - 144
Breadth2 = 25
=>
Breadth = 5
Perimeter = 2(l+b)
=2(12 + 5)
= 34 cm
Advertisements