Question

If the perimeter of ABC = 9.7cm,
E is the midpoint of AC, and DE||BC, find the length of DE.

Answer 1

3.2333 (repeated)

3.23 (rounded

Explanation:

ADE is 1/3 of ABC so we just divide the perimeter by 3

9.7cm / 3 = 3.2333

This rounds to: 3.23