Answer and Explanation
Your Answer is
Correct Answer is E
Explanation
It can be known from the question that AD=AB+BC+CD, and B is the midpoint of AC, and C is the midpoint of AD, so AD=2AC=2(2BC)=4×14=56, so choose E
1. In the diagram below, B is the midpoint of AC and C is the midpoint of AD. The length of BC is 14 cm. What is the length, in centimeters, of AD ？
