Question

7. PQRS is a rhombus in Fig. 10.85. Find the length of its side.​

Answer 1

Answer:

if pqrs is a rhombus then angleSOR is 90°

by Pythagoras theoram

x^2+(x-1)^2=(x+1)^2

x^2+x^2+1-2x=x^2+1+2x

x^2-4x=0

x(x-4)=0

x=0 or4

I hope this will help you

Answer 2

Answer:

pqrs is a rhombus in fig.10.85 find the length of it sides:- sr=x+1, s=1 , r=x-1