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Is the area of a circle of radius 14 units equal to the surface area of a sphere of radius 7 units?
surface_area_sphere = 4 × π × radius_sphere² = π × (2 × radius_sphere)²
area_circle = π × radius_circle²
These are equal when:
π × radius_circle² = π × (2 × radius_sphere)²
→ radius_circle² = (2 × radius_sphere)²
→ radius_circle = 2 × radius_sphere
As the given circle has a radius of 14 units and the given sphere has a radius of 7 units, and 14 = 2 × 7, it is true that the area of a circle with a radius of 14 units is the same as the surface area of a sphere with a radius of 7 units.
What else can I help you with?
The area of a circle of radius 12 units is equal to the surface area of a sphere of radius 6 units?
True... Good luck with Apex :)
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It is the radius of a circle or of a sphere
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48m2
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Visual Aid: If you sliced the sphere right in the middle, along the vertical axis (up and down axis), you'd end up with a circle standing on the ground. The "height", or highest point, of the circle of the circle would be equal to it's diameter (d).d = 2r, where r is the radius
The area of a circle of radius 10 units is equal to the surface area of a sphere of radius 5 units?
true
The area of a circle of radius 10 units is equal to the surface area of a sphere of radius 5 units.?
true
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True... Good luck with Apex :)
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Suppose the sphere below with radius r has a surface area equal to 40 units2 Find the surface area of the sphere with twice the radius?
160
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It is the radius of a circle or of a sphere
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Suppose the square below with radius r has a surface area equal to 45 units2 find the surface area of the sphere with twice the radius?
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