In the figure, B and C are the centres of the two circles. ADE is the common tangent to the two circles. If the ratio of the radius of both the circles is 3:5 and AC= 40, then what is the value of DE?_x005F_x000D_

In the figure, B and C are the centres of the two circles. ADE is the

1.	In the figure, B and C are the centres of the two circles. ADE is the common tangent to the two circles. If the ratio of the radius of both the circles is 3:5 and AC= 40, then what is the value of DE?_x005F_x000D_
A.	3âˆš15
B.	5âˆš15
C.	6âˆš15
D.	4âˆš15
Answer» E.

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In the figure, B and C are the centres of the two circles. ADE is the common tangent to the two circles. If the ratio of the radius of both the circles is 3:5 and AC= 40, then what is the value of DE?_x005F_x000D_

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