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Area of ​​the right triangle, by the length of the hypotenuse and the radius of the inscribed circle

ÀÛ¼ºÀÚ Uploader : rainbow ÀÛ¼ºÀÏ Upload Date: 2019-02-01º¯°æÀÏ Update Date: 2019-02-01Á¶È¸¼ö View : 358

The area A of a right triangle is obtained by using the length c of the hypotenuse of the right triangle and the radius r of the inscribed circle.

A = r*r + (1/2)*r*x*2 + (1/2)*r(c-x)*2
  = r^2 + r*x + r*c - r*x
  = r^2 + r*c

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A = r^2 + r*c
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