Q 16

Asked by Rayeesa | 6th Jun, 2018, 01:58: PM

Expert Answer:

DS = DT            Given
QD = DR           Given
begin mathsize 16px style angle DSQ space equals space angle DTR space space space space space space space space space space space space space DS space and space DT space are space perpendiculars space to space PQ space and space PR space
increment DSQ space approximately equal to space increment DTR space space space space space space space space space space space space space space RHS
QS space equals space TR space space space space space space space space space space space space space space space space space space space space space space space space space left parenthesis straight i right parenthesis straight c. space straight p. space straight c. space straight t.
In space increment PDS space and space increment PDT
angle PSD space equals space angle PTD space equals space 90 degree
AD space equals space AD space space space space space space space space space space space space space space space space space space space space space space space space space space space space Common space side
increment PDS space approximately equal to space increment PDT space space space space space space space space space space space space space space space space RHS
PS space equals space PT space space space space space space space space space space space space space space space space space space space space space space space space space space space space space left parenthesis ii right parenthesis straight c. space straight p. space straight c. space straight t.
QS thin space plus thin space PS space equals space TR thin space plus space PT
PQ space equals space PR
increment PQR space is space isoscels space triangle.
end style

Answered by Sneha shidid | 8th Jun, 2018, 09:05: AM