20-Circle

Circle

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How to prepare for Circle for JEE Mains
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10
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3K
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Shreya PS
What is the angle? Is it 90 or 45? with method please.
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1
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100
solution.livedoubt
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Shreya PS
Find the angle with steps.
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1
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123
solution.livedoubt
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L
The points where the line y = x intersect the curve
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4
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264
Abhineet
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Two equal chords $A B$ and $A C$ of the circle $x^2+y^2-6 x-8 y-24=0$ re drawn from the point $A(\sqrt{33}+3,0)$.
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1
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198
sudha
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A
P, Q, R, S are four points on a circle $x^2+y^2=c^2$. Prove that the orthocenters of the four triangles $PQR, QRS, RSP,$ and $SPQ$ are concyclic.
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1
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832
Amodini
Amodini
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Let $A$ and $B$ be two points on circle $x^2+y^2=1$ in first quadrant such that $\angle A O B=45^{\circ}$ ( $O$ is origin) foot
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0
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182
Sanchi
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A
Find the locus of the middle points of the chords of the circle $x^2+y^2+2gx+2fy+c=0$ which subtend a right angle at the origin.
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1
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777
rahulp
R
K
Let $T$ be the line passing through the points $p(-2,7)$ and $Q(2,-5)$. Let $F_1$ be the set of all pairs of circles $\left(S_1, S_2\right)$ such that
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1
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299
forummoderator
F
T
If $S_1, S_2$ and $S_3$ are three circles congruent to $C_2$ and touch both $C_1$ and $C_2$; then the area of triangle formed by joining centres
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1
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357
yoogesh_tambe
yoogesh_tambe
AGRIMA M
Let C be the centre of the circle $x^2+y^2-x+2 y=\frac{11}{4}$ and P be a point on the circle. A line passes through the
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1
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258
Anurag07
Anurag07
A
If $P$ and $Q$ are the points of intersection of the circles $x^2+y^2+3 x+7 y+2 p-5=0$ and $x^2+y^2+2 x+2 y-p^2=0$, then there is a circle passing
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2
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355
Abhinav H
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Shiva trivedi
Let \( G \) be a circle of radius \( R>0 \). Let \( G_{1}, G_{2} \ldots G_{n} \) be \( n \) circle of equal radius \( r>0 \). Suppose each of the...
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1
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220
Math.LiveDoubtClearing
M
L
Three parallel chords of a circle have lengths $2,3,4$ and subtend angles $\alpha, \beta, \alpha+\beta$ at the center respectively
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1
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354
Math.LiveDoubtClearing
M
M
In a circle of diameter 60 cm the length of a chord is 30 cm . find the length of minor arc of the chord.
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1
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416
Math.LiveDoubtClearing
M
S
Let $ A=\left\{(x, y) \in R \times R \mid 2 x^2+2 y^2-2 x-2 y=1\right\} $ $B=\left\{(x, y) \in R \times R \mid 4 x^2+4 y^2-16 y+7=0\right\}$ and
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1
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288
Math.LiveDoubtClearing
M
M
A circle of radius 5 units touches the co- ordinate axes in first quadrant. If the circle makes one complete roll on x-axis along the positive...
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1
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293
Math.LiveDoubtClearing
M
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For a moving point P on $x^2+y^2=4$ tangents PA and PB are drawn to $x^2+y^2=a^2$ then the locus of circumcentre of $\triangle P A B$ is $(|a|<2)$
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1
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240
Math.LiveDoubtClearing
M
L
Find the center and radius of circle: $\quad(x+5)^2+(y-3)^2=36$
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1
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240
Math.LiveDoubtClearing
M
L
Find the equation of circle with center $\left(\frac{1}{2}, \frac{1}{4}\right)$ and radius $\frac{1}{12}$.
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1
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227
Math.LiveDoubtClearing
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Find the equation of circle having center $(0,2)$ and radius 2 .
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1
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203
Math.LiveDoubtClearing
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