Q. 114.5( 12 Votes )

The radii of two

Answer :


Steps of Construction:”

1. Draw a line segment AB of length 6cm.


2. With A as center, draw a circle of radius 1.7 cm.


3. With B as center, draw a circle of radius 2.8 cm.



4. With B as center, draw another circle of radius (1.7+2.8) =4.5cm.



5. Draw a perpendicular bisector of AB. It intersects with AB at M.



6. With M as center and AM as radius draw a semicircle.



7. This circle intersects with circle of radius 5cm at S.


8. Join B to S. BS cuts the inner circle at K.



9. From A, draw a line parallel to BS.


10. This line intersects with the circle at L.



11. Join K to L.


12. KL is the required transverse common tangent.



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