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let H and S be the orthocentre and circumcentre of triangleABC.let a line HD parallel to AB and HF parallel to AC with D on AC and F on AB.prove that triangleSDF is isoceles.

let H and S be the orthocentre and circumcentre of triangleABC.let a line HD parallel to AB and HF parallel to AC with D on AC and F on AB.prove that triangleSDF is isoceles.

Grade:9

1 Answers

Arun
25750 Points
3 years ago
Dear student
 
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