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If (r2-r1) (r3-r1) =2r2r3. show that A...

If `(r_2-r_1) (r_3-r_1) =2r_2r_3. ` show that ` A = 90 ^(@) `
` (1-(r_1)/( r_2)) (1-(r_1)/(r_3)) =2 ` , show that `A = 90 ^(@) `

Text Solution

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The correct Answer is:
`Delta ABC` is right angled and `A = 90^@`.
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