Find the area of the circle if the square has an area of 900 in2. give your answer in terms of.

1 answer:

6 0

First find the square root of 900 to get one side of the square, which is 30 inches.
Formula for area of a circle: pi times the radius(squared)
The radius is 15 because one side of the square equals the diameter of the circle. 15 squared is 225.
3.14x225=706.5 inches squared

I hope this helps, because I did not have a diagram of the problem, but this should be the answer if the circle is inscribed in the square.

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Find the y value for the point that divides the line segment CD into a ratio of 4:1.

7nadin3 [17]

Answer:

We also drew a graph with 2 examples.

Step-by-step explanation:

If we have the line segment CD, we can divide it by 4: 1 as follows:

If point C has the coordinates (x1, z1) and point D has the coordinates (x2, z2), we calculate coordinate the points Y as follows:

y1 = (x2-x1) · 4/5

y2 = (z2-z1) · 4/5

In this way we have obtained the point Y with the coordinates (y1, y2), and the point Y divides the line segment CD by 4:1.

We also drew a graph with 2 examples.