Prove that the square of the length of the angle bisector AL=bc[1-{a/(b+c)}^2] where AB=c,BC=a and CA =b
Prove that the square of the length of the angle bisector AL=bc[1-{a/(b+c)}^2] where AB=c,BC=a and CA =b
Adhiraj Mandal , 12 Years ago
Grade 10
Analytical Geometry> Length of ANGLE BISECTOR...
1 Answers
Anshuman Chandel
apply cos rule in the two trianlgles formed and solve simultaneously.
Approved Last Activity: 12 Years ago
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