Please solve question no 11 with proper explanation 

Asked by adityaahuja099 | 28th Nov, 2017, 05:45: PM

Expert Answer:

begin mathsize 16px style Construction colon space Join space AB
In space increment ACB comma
AC squared plus BC squared equals AB squared............ left parenthesis 1 right parenthesis
Also comma
In space increment ADB comma
AD squared plus BD squared equals AB squared........... left parenthesis 2 right parenthesis
From space left parenthesis 1 right parenthesis space and space left parenthesis 2 right parenthesis
AC squared plus BC squared equals AD squared plus BD squared
If space BD equals AC space rightwards double arrow BC equals AD
Also space BC parallel to AD space and space BD parallel to AC
Hence comma space ABCD space is space straight a space rectangle.
end style

Answered by Sneha shidid | 29th Nov, 2017, 10:06: AM