本质上是证明影印面积是常数
AB=4*sqrt(2)/sinx
BC=3*sqrt(2)*sinx
AB*BC=24
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2026 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy
