Question

PQRS is a rectangle in which PQ= 12cm, QS= 13cm.find the measure of QR​

Answer 1

Answer:

answer : √313 = 17.69

Step-by-step explanation:

wo know that ,

length of diagonal of rectangle is =√l² + b²

= √(12)²+(13)²

= √ 144+169

= √313 = 17.69

Answer 2

Answer:

5 cm

Step-by-step explanation:

By using Pythagoras theorem,

13 cm is the diagonal

12 cm is one side

then √(13^2 - 12^2)=5

5 cm is the QR