A dog is leashed to the corner of a house. How much running area does the dog have? Round your answer to the nearest square foot
, if necessary.
A drawing of a dog leashed to the corner of the house. The dog can moves in a circular path. The radius of the circular path is labeled 20 feet. The corner of the house sits at the center of the circle so that the house blocks part of the dog's path.
The dog has about_______
square feet of running area.
A drawing of a dog leashed to the corner of the house. The dog can moves in a circular path. The radius of the circular path is labeled 20 feet. The corner of the house sits at the center of the circle so that the house blocks part of the dog's path.
The dog has about_______
square feet of running area.
1 answer:
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Given that, a sphere has a surface area of about 999 square millimeters.
Formula to find the surface area of sphere is,
S= 4πr² Where r = radius of the sphere and S= surface area.
Given S= 999 square millimeters.
So, we can write:
4πr² = 999
4 * 3.14 * r² = 999 Since, π = 3.14
12.56 *r² = 999
Divide each sides by 12.56.
r² = 79.53821656
r = √79.53821656 Taking square root to each sides of equation.
r = 8.918420071
So, r = 8.918 Rounded to nearest thousandth.
So, radius of the sphere is 8.918 millimeters.
Hope this helps you!