Question

Q.2. Two circles of radius 3.5cm and
4.2cm touch each other externally. Find
the distance between their centres.​

Answer 1

Answer:

0.7 is the answer of this question and this is the best a nswer

Answer 2

Answer:

7.7 cm

Step-by-step explanation:

we know that,

if two circles touch externally

then the distance between their centers is the sum of their radii

so, distance between their centers = (3.5 + 4.2) cm

                                                           = 7.7 cm