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.
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Answer:
- Radius of the circle = 10 Cm.
Given:
- Radius of the first circle is 8 Cm.
- Radius of the second circle is 6 cm.
Need To Find:
- The radius of the circle having area equal to the sum of the areas of the two circles.
Explanation:
Radius of 1st circle = 8cm (Given)
Area of 1st circle = π(8)² = 64π
Radius of 2nd circle = 6cm (Given)
Area of 2nd circle = π(6)² = 36π
The sum of 1st and 2nd circle will be = 64π + 36π = 100π
Assume that the radius of 3rd circle = R
Area of 3rd circle = πR²
It is given that:
The area of the 3rd circle = Area of 1st circle + Area of 2nd circle
πR² = 100π Cm²
R² = 100 Cm²
Radius = 10 Cm.
- Hence, the radius of the circle = 10 Cm.
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