Question

芊

求解

64:和如圖 ,-19=1+V2 ,5C-6+42

 

 

 

 

 

 

 

在4C上 ,以40 為直徑作半圓 ,聞過8作生直於記」
的直線交半圓於有點 . 若45=g+22  (gq ,2為有理數) ,
則數對(z ,旋=              :【了IS 日蟬
全人員2 力二(3 2              貴
                                            tf
CMxtthtE) = X
凡
語+ =                             1
了Tc 0放
2

(諒

Answer 1

Call me Bravo

For your reference

芊

請問14+10✓2這邊是怎麼轉換的呢

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I continue your handwriting...

芊

how do you resolve it

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x^2=AB*BC, do you know?

芊

no .

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AC=2r, so ADC=90, do you know?

芊

yes i know

芊

oh !!!i got it !! thank you