Explanation: This question is super super and super easy. First you had to used PEMDAS to used order of operations. P-Parenthesis, E-Exponents, M-Multiply, D-Divide, A-Add, and S- Subtract. ("Please Excuse My Dear Aunt Sally".) Hope this helps! And thank you for posting your question at here on Brainly. And have a great day! -Charlie
Length of the mid-segment = (long base + short base) / 219 = (27 + short base) / 219 - (27 / 2) = short base / 2Multiplying both sides by 238 -27 = short baseshort base = 11 Source:http://www.1728.org/quadtrap.htm
