Question and Answers Forum

All Questions      Topic List

Geometry Questions

Previous in All Question      Next in All Question      

Previous in Geometry      Next in Geometry      

Question Number 9880 by sandipkd@ last updated on 12/Jan/17

Answered by bansal22luvi@gmail.com last updated on 12/Jan/17

$$lettheradiusofsmallestcircleber$$$$CO=(2-x)$$$$C_{1}O=(1+x)$$$$C_{1}C=1$$$$In\mathrm{\Delta }{OCC}_1$$$${CO}^2+{CC}_1^2=C_1{O}^2$$$${(2-x)}^2+1={(1+x)}^2$$$$ovsolvingtheequation$$$$x=\frac{2}{3}$$$$\mathit{k}\mathit{u}\mathit{s}\mathit{h}$$

Answered by mrW1 last updated on 12/Jan/17

$${\mathrm{C}}_1\mathrm{O}=1+x$$$$\mathrm{CO}=2-x$$$${\mathrm{C}}_1{\mathrm{O}}^2={\mathrm{C}}_1{\mathrm{C}}^2+{\mathrm{CO}}^2$$$${(1+x)}^2=1^2+{(2-x)}^2$$$$1+2x+x^2=1+4-4x+x^2$$$$6x=4$$$$x=\frac{2}{3}$$$$\Rightarrow Answer\left(3\right)iscorrect.$$

Terms of Service

Privacy Policy

Contact: info@tinkutara.com