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Area of a triangle, with the height and lengths of two hypotenuses known

ÀÛ¼ºÀÚ Uploader : ppippi ÀÛ¼ºÀÏ Upload Date: 2019-03-04º¯°æÀÏ Update Date: 2019-03-06Á¶È¸¼ö View : 253

When the height is h and the lengths of the two hypotenuses are respectively a and b, the area S of a triangle can be obtained as follows.

Let the length of the base be c, from the Pythagorean theorem, then,

c = (a^2 - h^2)^(1/2) + (b^2 - h^2)^(1/2)

Therefore, the area S is as follows:

S = (1/2)*c*h = (1/2)((a^2 - h^2)^(1/2) + (b^2 - h^2)^(1/2))*h

*** Âü°í¹®Çå[References] ***

S = (1/2)*((a^2 - h^2)^(1/2) + (b^2 - h^2)^(1/2))*h
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