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 193726 by mr W last updated on 18/Jun/23

Answered by som(math1967) last updated on 18/Jun/23

$$a+b+c$$$$={\tan }^{-1}\frac{1}{3}+{\tan }^{-1}\frac{1}{2}+{\tan }^{-1}1$$$$={\tan }^{-1}1+45°$$$$=45°+45°=90°$$

Commented by mr W last updated on 18/Jun/23

��

Answered by mr W last updated on 18/Jun/23

Commented by mr W last updated on 18/Jun/23

$$AC=BC$$$$\mathrm{\angle }ACB=90°$$$$\Rightarrow \mathrm{\angle }ABC=45°=a+b$$$$c=45°$$$$\Rightarrow a+b+c=45+45=90°$$

Terms of Service

Privacy Policy

Contact: info@tinkutara.com