Search Results for: circles

circle

Question : Let C be the circle in R............

circles

Question : you have a circle. inside this circle is another smaller circle. the out side circle is shaded and a chord on it equals 2. find the are of the shaded area of the bigger circle big circle (shaded) ............

Circle

Question : AB and CD are two equal arcs of circle o is center of circle then prove that ABCD is an isosceles trapezium. Answer 1 : Start by noting that the angles subtended at the centre............

Circles

Question : Can you position all of the 9 different circles in the following 3x3 grid in accordance with the 7 statements bellow (it is possible)? #1. All of the spotted circles each occupy a corner position. #2. The plain red circle and the striped red............

Circles

Question : Two different circles that pass through the point (1, 3) are tangent to both coordinate axes. If the length of the radius of the smaller circle is r and the length of the radius of the larger circle is R what is the value of r + R?............

Circle

Question : The end points of the diameter of a circle are (-3, 2) and (5, -6). Find the center and radius of the circle. Write the general equation of this particular circle. Answer 1 : ............

Circles

Question : 1a) Show that the circle with the equation x^2 + y^2 - 2ax - 2ay + a^2 = 0 touches both the x axis and the y axis. b) Hence show that there are exactly two circles passing through the point (2, 4) and just............

Circles..

Question : Sorry unsure where to put this. Not sure if I should draw it out... I'll try to explain... There is a circle. It has a radius of 10pi There are four equal circles within the circles, taking up the exact same space and such, just............

Circles

Question : Two circles touch internally at A. The tangent at P on the smaller circle cuts the larger circle at Q and R. Prove that AP bisects angle RAQ. Pleas help? Answer 1 : This one can also be done............

Circle

Question : Suppose a circle is centered at the origini with radius larger than one, and the arc length of the arc of the circle above the line y=1, is 4pi/3. Find the radius of the circle. Answer 1 : now a ranger wrote:Suppose a circle is centered at the............

Three circles.

Question : In the figure, circle K has diameter ABl circle L is tangent to circle K and to AB at K;l and circle M is tangent to circle K, circle L, and AB. The ratio of the area of circle K to the area of circle M is equal............

circle

Question : Hey, i got my final GCSE maths test (non calc) which starts in around 1 and a half hours! I don't get this question: EDIT: HERE IS THE GRAPH. SORRY IN A RUSH AND FORGOT LOL. A, B, C and D are points on............

Circle

Question : Here is somethign I am wrestling with conceptually because it should work theoretically I think but it does not since Where n is number of sides and b is sidelength Shouldnt Describe a circle? Answer 1 : ............

circles

Question : Write an equation for the circle with the given properties. 32. Center at (4, -3), radius 2sqrt{6} i don't understand it. Answer 1 : The equation of a circle is where the center is (h, k) and r............

Circle

Question : A circle is circumscribed about triangle PQR. Take a point, S, on the circle. Construct three lines through S, perpendicular to lines PQ, PR, and QR. Prove that the three points of intersection are collinear. Answer 1 : It is the Simson line. You can prove it by............

circle

Question : hi, write down the equation of the circle which is obtained by applying the given translation to the given circle: i first started by rearranging the equation into: and then and then translate it but the books answer is ............

circles...

Question : I have a point a 3D space (say 0,0,0), a radius of the circle(say 2m), and know a single point that lies on the circle at a certain x co-ordinate, and have the corresponding y coordinate for the point on the circle. How can I............

circle

Question : CT is tangent circle at O. Attached Images   Answer 1 : is isosceles you now have enough information to find ............

circle

Question : 5. Given a circle which passes through the points (0, 6) and (8, 0), then Col A: Radius of the circle Col B: 10 i got the distance between both points as 10 how to find diameter or the answer is cannnot be determined............

would this be a circle?

Question : i am not exactly sure what this function is? and how would i graph it? y^2-2x-20y+94=0 i do think that this is a circle but what to do with the 2x? thank you! Answer 1 : ............

Circle

Question : AB is a diameter of a circle of radius 1 unit CD is a chord perpendicular to AB that cuts Ab at E If the arc CAD is 2/3 of the circumference of the circle what is the length of the segment AE.? ............

Circle

Question : On a circle border there are 2k different points A1, A2, ..., A2k, located contiguously. These points connect k chords so that each of points A1, A2, ..., A2k is the end point of one chord. Chords divide the circle into parts. You have to find N -............

Circles

Question : Given two circles, and their four common tangent segments (two external, two internal). Prove that the midpoints of the four tangent segments all lie on one line. Answer 1 : the all have equal power with respect to the circle, so they lie on the circles' radical axis...which is............

circle

Question : Sorry >__< I need help on this question There is a circle inscribed in a triangle. so if AB=12, BC=16, and AC= 20, <B=90...then what is the radius of the inscribed circle? I dunno how to draw a picture here.......but the diagram should be a............

circles

Question : O is the centre of the small circle. CA and CB are tangents to this circle. The large circle is drawn through A, B and C. CO is produced to E and intersects the small circle at D. i. Show that O lies on the large............

Circles

Question : Problem: A circle A passing through the point (4, 0) is orthogonal to a circle B with equation x^2+y^2=4. Show that the locus of the centre of the circle A is a straight line and find its equation. Well, I first established the centre and............

circles

Question : two circles, circles A and B, are drawn. If circle A is 69% larger than circle B, how many times longer is circle A's circumference than circle B's circumference? Answer 1 : Treething wrote:two circles, circles A and B, are drawn. If circle A is 69% larger than............

Circle???

Question : the circle X^2+y^2-2x-3=0 is stretched horizontally by a factor of 2 to obtain an ellipse what is the equaion of this ellipse in genral form okay i dont get it! Answer 1 : Find............

Circles

Question : If the circles x^2 + y^2 + 12x + 6y - 19 = 0 and x^2 + y^2 - 4x - 6y = k are tangent to each other, find the possible values of k. How can I know whether the unknown circle is inside or............

Circles

Question : ABC is a triangle. A circle passing through A and B intersects side BC again at D. A circle passing through vertices B and C intersects side AB again at E, and intersects the first circle again at F. Suppose A, E, D, C lie on a circle centred............