CircleHard
Question
A circle with centre A and radius 7 is tangent to the sides of an angle of 60o. A larger circle with centre B is tangent to the sides of the angle and to the first circle. The radius of the larger circle is


Options
A.30 √3
B.21
C.20 √3
D.30
More Circle Questions
If a circle passes through the point (1, 2) and cuts the circle x2 + y2 = 4 orthogonally, then the equation of the locus...If the circle x2 + y2 + 2x − 4y − k = 0 is midway between two circles x2 + y2 + 2x − 4y − 4 = 0 ...If a chord, which is not a tangent, of the parabola y2 = 16x has the equation 2x + y = p, and midpoint (h, k), then w...The circle described on the line joining the points (0, 1), (a, b) as diameter cuts the x-axis in points whose abscissa ...The centres of the circles x2 + y2 _ 6x _ 8y _ 7 = 0 and x2 + y2 _ 4x _ 10y _ 3 = 0 are the ends of the diameter of the ...