Q Let the radii of the three semicircles all be R, their centres A, B, C arc in a - Maths - Areas Related to Circles

Question

Q Let the radii of the three semicircles all be R, their centres A,
B, C arc in a common line, and the circle
with centre D has only one point in common with the given
semicircles, respectively Suppose the radius
of the circle with centre D is r, then R : r equals:

15:4
11:3
4:1
3:1

Sandeep Saurav · Accepted Answer

Dear Student,

Hope this information will clear your doubts about topic

If you have any more doubts just ask here on the forum and our
experts will try to help you out as soon as possible

Regards

Q. Let the radii of the three semicircles all be R, their centres A, B, C arc in a common line, and the circle with centre D has only one point in common with the given semicircles, respectively. Suppose the radius of the circle with centre D is r, then R : r equals: 15:4 11:3 4:1 3:1

Q. Let the radii of the three semicircles all be R, their centres A, B, C arc in a common line, and the circle
with centre D has only one point in common with the given semicircles, respectively. Suppose the radius
of the circle with centre D is r, then R : r equals:

15:4

11:3

4:1

3:1