정답
$d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$.
해설
The distance formula is a direct algebraic application of the Pythagorean theorem $a^2 + b^2 = c^2$.
홈 / 라이브러리 / ACT Mastery: English, Math, Reading & Science / AI 플래시카드
What is the distance formula between two Cartesian points $(x_1, y_1)$ and $(x_2, y_2)$?
덱 'ACT Mastery: English, Math, Reading & Science'의 플래시카드.