Question

In a square PQRS Pq=5a-17cm.and QR =2a+4 find the length of ps and PR ​

Answer 1

in a square all sides are equal

PQ=QR=RS=PS

so PQ = QR

5a-17=2a+4

5a-2a = 4+17

3a = 21

a= 21/3

a= 7 cm

PQ= 5a-17

= 5(7) - 17

= 35-17

= 18

here, PQ=QR=RS=PS

if PQ=18

so

PS=18

PR =18