radil of two circle are 10 cm and 6 cm find the distance between their centre. 1) when they touches internally. 2) when they touches externally
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Answer:
1. 4 cm
2. 16 cm
Step-by-step explanation:
1.Let the radii of two circles be R
1 and R 2 .
∴ R 1 =10 and R 2 =6
If two circles are touching internally then the common point lies on the line joining their centres.
Therefore, distance between their centres is R1 −R2=10−6=4
2. The radii of the circles are 10cm and 6cm.
if two circle are touching internally then the common point lies on the line joining their centres.
R1 =10
R2=6
hence, Distance between their centre=
10cm +6cm
Hence,16cm
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