Question

show how √5 cane be represented on the number line​

Answer 1

Draw perpendicular AX at A on the number lineand cut-off arc AB=1unit. Taking O as the centre and OB=5 ​ as radius draw an arc cutting real line at C. Clearly, OC=OB=5 ​. Hence, Crepresents 5 ​ on the number line.