Please solve the encircled sum, not the crossed one:-

Asked by madhupur.suraj | 2nd Dec, 2017, 04:16: PM

Expert Answer:

begin mathsize 16px style Diagonals space of space rhombus space space perpendicularly space bisect space each space other
AO equals OC equals 4
straight B straight O equals OD equals 3
sin space angle OCD equals OD over DC
find space DC space using space pythagoras end style

Answered by Arun | 2nd Dec, 2017, 07:14: PM