Question

The radius of the circle whose circumference is equal to the sum of the circumferences of the two circles of radii 24cm and 7cm is

Answer 1

Answer: Radius(r) of the unknown circle is 31 cm.

Step-by-step explanation:

Let the radius of the unknown circle be r cm.

So, its circumference=2πr cm

Now, as per question-

2πr=2π×24+2π×7

=> r=24+7=31 cm

Answer 2

Answer:

31 cm

Step-by-step explanation:

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