1.

यदि `2r=h+sqrt(r^(2)+h^(2))` है तो अनुपात `r:h(r!=0)` क्या होगाA. `1:2`B. `2:3`C. `4:3`D. `3:5`

Answer» Correct Answer - C
`2r=h+sqrt(r^(2)+h^(2))`
`(2r-h)=(sqrt(r^(2)+h^(2)))^(2)`
`4r^(2)+h^(2)-4rh=r^(2)+h^(2)`
`3r^(2)=4rh`
`r/c=4/3`


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