Question

Radius of two circles are
4cm and 7cm. If they
externally touching circles then what is distance
between their centre
​

Answer 1

Step-by-step explanation:

Let the first radius be R1=4cm and second radius be R2=7cm,

then, O to O|

R1+R2

= (4+7)cm

= 11cm

Therefore the distance between two centres are 11 cm.