## anonymous one year ago Triangle ABC is an equilateral triangle. AD=10. What is the length of CD? Give your answer to the nearest whole number.

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1. anonymous

Is there an image?

|dw:1438922575850:dw| Is the figure correct?

3. anonymous

Yes. But C is on top, A on the left.....and B on the right.

Fine... that's not a big deal...

5. anonymous

Like this? |dw:1438923211695:dw|

6. anonymous

Yes.

7. anonymous

Then use the 30-60-90 special right triangle.

8. anonymous

If x=10, then what is $\LARGE x \sqrt{3}=?$|dw:1438923375167:dw|

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