如何证明焦点弦与椭圆内切圆相切时三角形面积最大（见补充）？ 知乎 Sketch Coloring Page

如何证明焦点弦与椭圆内切圆相切时三角形面积最大（见补充）？ 知乎 Template

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sketch #3399 zay lin

Zay Lin
sketch #3399 zay lin

sketch #5437 Mikasa from Attack on Titan by Manimarmuthu Muthu

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anonymous
sketch #5437 Mikasa from Attack on Titan by Manimarmuthu Muthu

sketch #3032 Batman by Aaron Bahary

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anonymous
sketch #3032 Batman by Aaron Bahary

sketch #3138 Papa Smurf by Courtney Spragg

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anonymous
sketch #3138 Papa Smurf by Courtney Spragg

sketch #3815

Emin AltınKöprü
sketch #3815

sketch #3413 Link by Dã Tr� ng

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anonymous
sketch #3413 Link by Dã Tr� ng

sketch #2747

Cody Brandoon
sketch #2747

sketch #4724 Turtwig by Mark Robson

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sketch #4724 Turtwig by Mark Robson

sketch #3670 Bugs Bunny by Jessica Column

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anonymous
sketch #3670 Bugs Bunny by Jessica Column

sketch #3734

Goran Djordjevic
sketch #3734

sketch #3330

Matt King
sketch #3330

sketch #5343

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anonymous
sketch #5343

sketch #1387

Laura Agapi Asnicar
sketch #1387

sketch #5325

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anonymous
sketch #5325

sketch #2624 Pikachu by sketchmaster

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sketch #2624 Pikachu by sketchmaster

sketch #4383 4383

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anonymous
sketch #4383 4383

sketch #5054 Angelina Jolie by Hailey So Pretty

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sketch #5054 Angelina Jolie by Hailey So Pretty

sketch #5103

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anonymous
sketch #5103

sketch #5350

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anonymous
sketch #5350

sketch #4700

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anonymous
sketch #4700

sketch #1711

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sketch #1711

sketch #3613

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anonymous
sketch #3613

sketch #4887 Jessica Rabbit by Garima Taneja

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anonymous
sketch #4887 Jessica Rabbit by Garima Taneja

sketch #2579

Laura Agapi Asnicar
sketch #2579

sketch #5286 Adventure Time by Manu Kp

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sketch #5286 Adventure Time by Manu Kp

sketch #3260 sorry to over comment on your blog .haha. I 'm just flnpiipg through your posts after finding you through the KCWC. Recently I had this huge urge to learn to sketch with black ink pens. This cloud drawing is exactly the thing that I feel the need to put on paper. : )

anonymous

anonymous
sketch #3260 sorry to over comment on your blog .haha. I 'm just flnpiipg through your posts after finding you through the KCWC. Recently I had this huge urge to learn to sketch with black ink pens. This cloud drawing is exactly the thing that I feel the need to put on paper. : )

sketch #1082 Seher 6 years

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anonymous
sketch #1082 Seher 6 years

sketch #20690

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anonymous
sketch #20690

sketch #4760

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anonymous
sketch #4760

sketch #5275

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anonymous
sketch #5275

tomski如何证明焦点弦与椭圆内切圆相切时三角形面积最大（见补充）？ 知乎 coloring

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