Posted by it's me on .
Triangle ABC is an equilateral triangle.AD=10 What is the length of CD? Give your answer to the nearest whole number.
Math, not "10th grade" -
Please type your subject in the School Subject box. Any other words, including obscure abbreviations, are likely to delay responses from a teacher who knows that subject well.
math - needs help -
The School Subject is NOT 10th grade. Is it math? If so, state that for a math teacher to help you.
10th grade geometry -
Do not know where D is. Needs more explanation.