Mathematics
Free
• 34 lessons
• 0 quizzes
• 7 week duration
• ##### Unit 4: Quadratic Relations

Most relations that you have studied in mathematics have been linear. However, many non-linear also exist in real life.

• ##### Unit 7: Trigonometry

Another way to write it is:   $A_{\triangle&space;PQR}&space;=&space;k^2&space;\times&space;A_{\triangle&space;ABC}$ .