Question

in a square pqrs,pq=(5a-17)cm.and QR=(2a+7).find the length of ps and pr

Answer 1

5a-17=2a+7 (all sides of square are equal)
5a-2a=7+17
3a=24
a=24÷3
a=8

then pq =5×8-17
=23

qr= 23

ps and pr = 23cm

Answer 2

PQ = 18cm

QR = 18cm

PS = 18cm

PR = 18cm