SOLUTION: Two wire circles of diamerets 12 cm and 8 cm are cut and then joined to make one larger circle. Find the diameter of large circle. plz help me .Thanks in advance.

Question 919948: Two wire circles of diamerets 12 cm and 8 cm are cut and then joined to make one larger circle. Find the diameter of large circle. plz help me .Thanks in advance.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Find the sum of the circumferences.

That is the circumference of the large circle from the two smaller circles.

Diameter:
where R is the RADIUS.

that means, we want twice R because that would be the diameter.

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