Question

. In APQR, PS is perpendicular to RQ extended.
Prove that PR2 = PQ2 + QR2 + 2QR.SQ.​

Answer 1

Step-by-step explanation:

in Apsr

pr2=ps2+sr2 (sr=SQ+QR)

=PS2+(SQ+QR) ^2

=PS2+SQ2+QR2+2QR.SQ

we know PS2+QS2=PQ2 IN APSQ

=PQ2 + QR2 + 2QR.SQ.

hence proved

Answer 2

Answer:

above is the answer

Step-by-step explanation:

see above