187 Answered Questions for the topic Circles

08/25/18

Find the equation in standard form of the circle with points (2,3), (3,4), (-1,2)
I can't keep up with the solution. I need it for my quiz on tuesday. 
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Circles

08/20/18

Its about sat
A right cylinder is inscribed in a sphere with radius 10 if radius of circular base of cylinder is 6 what is vol of cylinder
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Circles

08/09/18

A number of hockey players are standing in a circle.
A number of hockey players are standing in a circle. They are evenly spaced and the fourth players is directly opposite the ninth player. How many hockey players are there altogether.
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08/08/18

How to determine if a circle can be circumscribed about a quadrilateral
I want to know about circumscribing circles about quadrilateral (how to do it, what that means etc.)
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Circles

07/21/18

perfectly round penny or bicycle tire
which is a better illustration of a circle a perfectly round penny or a bicycle tire?  please explain
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Circles

07/15/18

Give the equation of the circle centered at the origin and passing through the point (0, -5)
Writing the equation of a circle centered at the origin given its radius or a point on the circle
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Circles

07/15/18

Give the equation of the circle centered at the origin passing through the point (-4,0)
Writing the equation of a circle centered at the origin given its radius or a point on the circle
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Circles Calculus Angle Area

07/11/18

A sector with central angle θ is cut from a circle of radius R = 24 inches, and the edges of the sector are brought together to form a cone.
A sector with central angle θ is cut from a circle of radius R = 24 inches (see figure), and the edges of the sector are brought together to form a cone. Find the magnitude of θ such that the... more
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Circles Geometry

07/08/18

If you choose two random points on a circle, what is the chance of the distance between them being the same length as the diameter of the circle?
I'd like a step by step solution and (if possible) a method of simplifying it. Thanks!
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Circles Mathematics

06/24/18

The circle x^2 + 4x - 6y = k passes through the point (-1,1). Find the value of k, the radius, and the center of the circle.
STILL NO IDEA HOW
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Circles

06/22/18

Find the standard equation of the circle being described in each item.
 With center at the origin, radius √11
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Circles About Circles

06/20/18

A one lane road 10 meters across passes through a senu circular tunnel with radius of 9 meters. How high is the tunnel at the edge of the road.
Situational problems involving circle
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Circles

05/31/18

What is the radius of a circle with the area of 225
WowwowoWeoweoweoweoweoweowe
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Circles

04/24/18

The circumference of a circular table is 72πin what is the radius of the table
Table is circular  Diameter is not given
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Circles

04/24/18

A circle with a diameter of 18 cm is subdivided by a central angle of 60 degrees. What is the length of the subtended arc?
How to find the length of the subtended by this angle
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Circles

04/19/18

a movie theater is attracting customers with searchlights. one circular searchlight has a radius of 2ft. what is the searchlight area? using 3.14
use 3.14 its a circle
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Circles

04/17/18

Mack wants to calculate the circumference of a circle with a radius of 7 centimeters.
write the letter representing each calculation under the category that correctly describes whether or not the calculation on its own results in the circumference of that circle.
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Circles

04/11/18

A sphere has a volume of V equals 3600 in cubed. Find its surface area.
This is a math xl question that i am very confused on.
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Circles

04/02/18

is 2x+y=5 normal to circle xsquare+ysquare-6x+2y=0
if yes howwww???!!!
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Circles

04/02/18

A circle passes through (-2,4) and touches y axis at (0,2). which one of the following equations can represent a diameter of this circle?
a.2x-3y+10=0  b.3x+4y-3=0 c.4x+5y-6=0 d.5x+2y+4=0
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04/01/18

How do I find the edge length?
Kaitlin can't remember the formula for the area of a circle. She decides to approximate the area of a circle by circumscribing a regular 18 -gon around the circle. If her approximation of the area... more
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Circles

03/18/18

you get hired to enclose a circular ice rink with fencing. the diameter of the rink is 20m. you ask two companies for an estimate. show all your work.
ice rinks r us estimates $75 per metre. calculat the toatal cost.
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03/07/18

How do you do this word problem?
Two circles have radii 6 cm and their centers are 6 cm apart. Find the area of the region common to both circles.
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02/26/18

Measure of a central angle
A Ferris wheel has a diameter of 120 meters, a circumference of 377 meters and an area of 11,309 m^2. There are 30 cars equally spread around the Ferris wheel for people to sit or stand. Find the... more
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02/26/18

Circumference Using Diameter
What is the circumference of a circle, if the diameter is 120 m? What is the area?    ( I am checking my answers from my homework to ensure that I got this one correct! :-) ) 
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