two circles of diameter 8cm and 7cm touch external. find the distance between their center
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Answered by
1
Answer:
If two circles touch externally, then the distance between their centers is the sum of their radii. ∴ distance (AC) = 4+3 = 7cm.
Answered by
1
Answer:
7.5cm
Step-by-step explanation:
Diameter of first circle = 8cm
It's radius(r1) = 8/2 =4cm
Diameter of second circle =7cm
It's radius (r2) = 7/2=3.5cm
Hence, distance between their center = r1 +r2 = 4 + 3.5 = 7.5 cm
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