Thediameterof a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle. The diameter is twice the radius ord = 2·r. The Greek letter π πrepresents the numberPiwhich is defined as the ratio of the circumference of a circle...
In the xy-plane, what is the radius of a circle described by x2+2x+y2=0 ? Equation of a Circle: The standard equation of a circle is (x−x0)2+(y−y0)2=r2 where (x0,y0) is the center of the circle and r is the radius of the circle. Special case...
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The two radii and the chord form an isosceles triangle.x+x+4x=180Simplify:6x=180Divide by 6: x=30Therefore, the diagram should look like this:As we saw in question 6, this portion of the circle is called a "segment," and we find its area by taking the area of the sector minus ...
What is the difference between a sector of a circle and a segment of a circle? What is the center of the circle if the circle's equation is (x - 2)^2 + (y + 3)^2 = 25? What is the radius of a square? \frac{1}{8} of a circle is what percent of a circle?
Example 2:Find the radius of a circle if its diameter is 22 cm. Solution:As we know, that the diameter is twice the radius, hence, d = 2rWrite the formula 22 = 2\(\times\)rSubstitute 22 for d \(\frac{22}{2}=\frac{2 \times \text{r}}{2}\)Divide both side by 2 ...
55、ane that are closer to P than to Q is(A) the region of the plane on one side of a line(A) the interior of a square(B) a wedge-shaped region of the plane(C) the region of the plane bounded by a parabola(D) the interior of a circle<7> A researcher computed the mean, ...
A segmental arch is a semi-circular arch which is comprised of a circle segment, not a complete half circle. This type of arch is utilized in architectural styles from all over the world and throughout history, and serves functional as well as aesthetic functions. People can usually identify...
All those points for which the distance is equal to that of the radius of a circle lie on the circle. For example points U and V lie on the circle. Semicircle: Semi means half, so semicircle ishalf a circle. It is formed by cutting a whole circle along a line segment passing through...