96 Answered Questions for the topic Geometry Circles

Geometry Circles

05/26/15

find the lengrh of PQ
the two circles with centres A and B; radii 5 cm and 3 cm respectively, touching each other internally. if the perpendicular bisector of AB meets the bigger circle in P and Q
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Geometry Circles

05/26/15

prove that the circle bisects the base
if it is drawn on anny one of the equal sides of an isosceles triangle as diameter
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Geometry Circles

05/26/15

prove the quadrilateral is a cyclic
prove that the quadrilateral formed by angle bisectors of a cyclic quadrilateral is also cyclic
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Geometry Circles

05/20/15

a circle is inscribed in a quadrilateral LMNO with angles measuring 87, 98, 48 and 127. What are the measures of the minor arcs formed
a circle is inscribed in a quadrilateral LMNO with angles measuring 87, 98, 48 and 127. What are the measures of the minor arcs formed
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Geometry Circles

05/20/15

two chords intersect in a circle. The segments of one chord are 4x and 2y and equal to each other. The segments of the other chord are x+2 and 4y.
two chords intersect in a circle. The segments of one chord are 4x and 2y and equal to each other. The segments of the other chord are x+2 and 4y. Find the legnths of the chords
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Geometry Circles Circles

05/20/15

A bike tire has a radius of 30 cm. If the tire makes one rotation every 4 seconds, how far will the rider travel in 1 minute?
 A bike tire has a radius of 30 cm. If the tire makes one rotation every 4 seconds, how far will the rider travel in 1 minute?
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Geometry Circles

05/12/15

prove that sum of angle subtended by arcs AC & BD at centre O = twice the angel APC
if two chords AB & CD intersect at P inside the circle
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Geometry Circles

05/12/15

find the numerical value of angle ABC + angle CDE also give reason for that answer
ABCDE is a pentagon that lies on the circumference of the circle, AE is the diameter of the circle 
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Geometry Circles

05/12/15

calculate angle RTS if angle ROS = 42 degree
PQ is the diameter of the circle whose centre is O
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Geometry Circles

05/12/15

show angle APB = 60 degree, if AD & BC are produced to meet at P
in a circle, with centre O, a cyclic quadrilateral ABCD is drawn with AB as a diameter of the circle and CD equal to radius of the circle.
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Geometry Circles

04/03/15

which is closer to the circumference of the fence they will need?
a circular swimming pool has a redious of 15 feet. the family that owens the pool wants to put up a circular fence that is 5 feet away from the pool at all point.
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Geometry Circles

03/22/15

Find the ratio of their circumferences
The areas of two circles are 144 (pie) cm2  and 64 (pie) cm2. Find the ratio of their circumferences.
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Geometry Circles

02/26/15

a circle has a radius with endpoints at (-3,1) and (2,-5). find the circumference and area of the circle. Write the answer in terms of pi
a circle has a radius with endpoints at (-3,1) and (2,-5). find the circumference and area of the circle. erote the answer in terms of pi
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Geometry Circles

02/20/15

A circle with radius 4 has a sector with a central angle of 21/20p radians. What is the area of the sector?
9th grade geometry
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Expert Answers •2
Geometry Circles

02/16/15

A circle has a radius of 2. An arc in this circle has a central angle of 156 ?° ?? .
A circle has a radius of 2. An arc in this circle has a central angle of 156?°?? .
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Geometry Circles

02/16/15

a circle has a radius of 4 an arc in this circle has a central angle of 21/40 pi radians what is the length of the arc
a circle has a radius of 4 an arc in this circle has a central angle of 21/40 pi radians what is the length of the arc?
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Geometry Circles

01/29/15

I'm having trouble putting an equation together for this question. Please help me!
The round school track is 0.25 miles long as measured by the inner edge. If the track itself is 6 feet wide, how much farther does the outside person run than the person on the inside, if both... more
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Geometry Circles

12/22/14

central angle and inscribed angle
hi .. i want to know if we can call the angle BOA central angle or not ;becouse if we extend the line OA to become radius it will be central angle and the same on the inscribed angle DCE ;if we... more
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Geometry Circles

12/08/14

find the length of AB. the figure is a circle with external point A and points B & C on the circle. Ab & Ac are both tangent. Ac=7in.
word problem for geometry circles homework. 
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Geometry Circles

07/17/14

Are the chords congruent?
Chords: AB and BC create the segment AC in a circle. If AB has a 90 degree angle and BC does not, are the chords congruent?
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Geometry Circles Circles

06/10/14

in point a on the cirlce, angle CAD=3x+9 and angle FAB=2x+21 given that EC and DF are diameters what is the measure of FAB
This question is asking about a circle and it is hard i need some help now
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