two circles of radii 4.5cm and 3.2cm touch each other externally. find the distance between their centres
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4
Answer:
It is given that two circle having radii 5.5 cm and 4.2 cm touch each other externally. We know, the distance between the centres of the circles touching externally is equal to the sum of their radii. Thus, the distance between their centres is 9.7 cm
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6
Answer:
1.3cm
Step-by-step explanation:
R1=4.5cm
R2=3.2cm therefore R1-R2= 1.3cm
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