## anonymous one year ago d. Using the properties of similar triangles, create a ratio showing the relationship between △ABC and one of the smaller triangles. Cross multiply the ratio to derive a simplified equation. Do not use the altitude you drew (segment f) as part of the equation.

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1. mathstudent55

Is there a figure?

2. anonymous

I am sending it right now

3. anonymous

4. mathstudent55

|dw:1436937733724:dw|

5. mathstudent55

We start like this.

6. mathstudent55

|dw:1436937831745:dw|

7. mathstudent55

This is what you have when part b is done. |dw:1436937879257:dw|

8. mathstudent55

For part c we need to draw the triangles all separated but all in the same orientation.

9. mathstudent55

This is part c. |dw:1436938181805:dw|

10. mathstudent55

|dw:1436938856602:dw|

11. mathstudent55

Part d. $$\dfrac{b}{d} = \dfrac{c}{b}$$ $$cd = b^2$$

12. anonymous

Thanks! I am sending a few more.

13. anonymous

$b/d = c/b$ $cd = b^2$ $b=\sqrt{cd}$ $\sqrt{cd}/d=c/\sqrt{cd}$ ???? is this right Math God??

14. mathstudent55

They are all correct.

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