Question

1) Two circles having radi 5.2 em and 4.5cm touch each other externally. Find the distance between their centres.​

Answer 1

Answer:

1.3cm

 

R1=4.5cm

R2=3.2cm therefore R1-R2= 1.3cm

Step-by-step explanation:

Answer 2

Answer:

9.7

Step-by-step explanation:

R1+R2 =D

5.2+4.5=D

D=9.7