Question and Answers Forum

All Questions      Topic List

Algebra Questions

Previous in All Question      Next in All Question      

Previous in Algebra      Next in Algebra      

Question Number 124522 by bemath last updated on 03/Dec/20

Answered by mr W last updated on 04/Dec/20

$$CD=25-16=9$$$${AC}^2=BC\times CD=16\times 9$$$$AC=4\times 3=12$$$${AB}^2={BC}^2+{AC}^2={16}^2+{12}^2$$$$AB=\sqrt{{16}^2+{12}^2}=20$$$$\frac{AE}{AC}=\frac{AC}{AB}$$$$\Rightarrow AE=\frac{{12}^2}{20}=7.2$$$$\Rightarrow answerD$$

Terms of Service

Privacy Policy

Contact: info@tinkutara.com