please ans question no. 9

Asked by shriya.pandey182 | 2nd Jul, 2017, 06:30: AM

Expert Answer:

begin mathsize 16px style In space increment SPT space and space increment QPR comma
angle SPT equals angle SPQ plus angle QPT
angle QPR equals angle TPR plus angle QPT
Since space angle SPQ equals angle TPR comma space angle SPT equals angle QPR.
Also comma space angle PST equals angle PQR space space.... left parenthesis given right parenthesis
So comma space increment SPT space tilde space space increment QPR space space.... left parenthesis AA space criterion space for space Similarity right parenthesis
rightwards double arrow PT over PR equals ST over QR
rightwards double arrow PT cross times QR equals PR cross times ST end style

Answered by Rebecca | 2nd Jul, 2017, 11:23: PM