Question

prove that diagonals of reactagle are of equal length​

Answer 1

Answer:

$\sf\huge\purple{Answer:-}$

Step-by-step explanation:

Let

PQRS is a rectangle PR and QS are it's diagonal

${pr}^{2} = ( {pq}^{2} + {qr}^{2} ) \\ = (sr + qr {)}^{2} \\ = {sr}^{2} + 2.sr.qr + {qr}^{2} \\ = {sr}^{2} + 2.0 + {qr}^{2} \\ = {sr}^{2} + {qr}^{2}$

Hence Proved

Answer 2

Step-by-step explanation:

see the attachment

see the attachmenthope it helps