Now, find the circumference of 3
rd
circle.
According to the statement,
rd st nd
Circumference Circumference Circumference
of 3 circle of 1 circle of 2 circle
Thus, the radius of the circle is cm.
Question: 2
The radii of two circles are 8 cm and 6 cm
respectively. Find the radius of the circle having
area equal to the sum of the areas of the two
circles.
Solution:
1
st
circle Radius
2
nd
circle Radius
Let the 3
rd
circle radius be .
Now, find the Area of the 1
st
circle.