viewimage.php?id=2eb2c1&no=29bcc427b28377a16fb3dab004c86b6f2ced7c20b23a219c4353df2be7d0997228ef11163cdefa03e7008bca7a79c86d0fdbe1be777f5ee927d4d9c318b6

유무효전력 삼각형 그려서 피타고라스로 풀면 틀리는부분??
[모바일이라 오타심함]