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 186492 by mr W last updated on 05/Feb/23

Commented by mr W last updated on 05/Feb/23

$$\text{You can't use 'macro parameter character \#' in math mode}$$

Answered by mr W last updated on 05/Feb/23

Commented by mr W last updated on 05/Feb/23

$$thediagramgiveninthequestionis$$$$drawnnottoscaleandthelengthes$$$$givenarenotproperlyselected,$$$$thereforethediagramisinreality$$$$notpossible.butthemethodforthe$$$$solutioniscorrect.$$

Commented by mr W last updated on 05/Feb/23

Commented by mr W last updated on 05/Feb/23

$$withthesevaluesweget$$$$\frac{6}{6+x}=\frac{7-y}{7+3}=\frac{y}{12}$$$$\Rightarrow y=\frac{42}{11}$$$$\Rightarrow x=\frac{90}{7}$$$$\cos \alpha =\frac{{12}^2+{(6+\frac{90}{7})}^2-{10}^2}{2\times 12\times (6+\frac{90}{7})}=\frac{445}{504}$$$$\Rightarrow \alpha ={\cos }^{-1}\frac{445}{504}\approx 28°$$

Commented by mr W last updated on 05/Feb/23

Terms of Service

Privacy Policy

Contact: info@tinkutara.com