Discuz Math Forum»Forum › Mathematics › High School › 平面凸四边形的面积的不等式

Return to list New

View 1541|Reply 0

[不等式] 平面凸四边形的面积的不等式

[Copy link]

3226 Threads	7843 Posts	52 Reputation

Send PM

hbghlyj posted 2020-4-9 11:50 |Read mode

平面凸四边形ABCD的面积是σ，证明:
[(AB+CD)(AC+BD)(AD+BC)]²≥64√3σ³/9.

Reply Edit 0

Return to list New

Quick Reply

× Quick Reply To Top Edit

2025-7-23 09:55 GMT+8

Powered by Discuz!

Processed in 0.013264 seconds, 22 queries