trapezium prblem

Asked by borahbhairabjyoti60 | 22nd Mar, 2019, 09:17: AM

Expert Answer:

ABCD is a trapezium.
AB || DC
begin mathsize 16px style angle space straight A space plus space angle space straight B equals space 180 degree space space space space space space space space space space space space because interior space angles space are space supplementary
therefore angle space straight A space plus 120 degree equals space 180 degree
therefore space angle space straight A equals 60 degree

end style
Similarly you can find angle E.

Answered by Sneha shidid | 22nd Mar, 2019, 10:05: AM