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Maths-

General

Easy

Question

If the angle between two equal circles with centres $left parenthesis 310 right parenthesis$ , $left parenthesis negative 54 right parenthesis blank$ is 12 $0 to the power of blank$ then the radius of the circle is

$10$
$5$
$2$
$1$

The correct answer is: $10$

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The equation of the circle passing through the origin and the points of intersection of the circles $x to the power of 2 end exponent plus y to the power of 2 end exponent minus 4 x minus 6 y minus 3 equals 0 comma$ $x to the power of 2 end exponent plus y to the power of 2 end exponent plus 4 x minus 2 y minus 4 equals 0$

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