Here is a picture of Rectangle R, which has been evenly divided into smaller rectangles. Two of the smaller rectangles are label
ed B and C. 1. Is B a scaled copy of R? If so, what is the scale factor? 2. Is C a scaled copy of B? If so, what is the scale factor? 3. Is C a scaled copy of R? If so, what is the scale factor? Rectangle R. B С C
click on the picture to see it better.... please help!
click on the picture to see it better.... please help!
1 answer:
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Standard equation of a circle: <em>(x-h)² + (y-k)² = r²</em> where <em>(h, k)</em> is the center and <em>r </em>is the radius. In the case of our equation here, <em>(x-5)² + (y+3)² = 25</em>, we can conclude that our circle has a center at (5, -3) and a radius of 5 units.
We can use the distance formula with the center (5, -3) and our point (2, 3) to see how far away they are...if the distance between them is less than the radius of the circle, it is on the interior. If it's equal, it's on the circle. If it's greater, it's on the exterior.
Distance =
Distance =
Distance =
Distance =
Distance =
We can use the distance formula with the center (5, -3) and our point (2, 3) to see how far away they are...if the distance between them is less than the radius of the circle, it is on the interior. If it's equal, it's on the circle. If it's greater, it's on the exterior.
Distance =
Distance =
Distance =
Distance =
Distance =