Please give me today its so important for me pleaseeee. Q.3. Find the value of unknown side by using Pythagoras theorem. a. b. Share with your friends Share 1 Lovina Kansal answered this Dear student a) By Pythagoras theorem,AC2=AB2+BC2⇒x2=82+52⇒x2=64+25⇒x2=89⇒x=89unitsb) By Pythagoras theorem,PR2=PQ2+QR2⇒122=102+x2⇒144=100+x2⇒x2=144-100⇒x2=44⇒x=44⇒x=211 units Regards 1 View Full Answer