Find the area of a triangle with sides of 66.9 and 78.9 cent
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Find the area of a triangle with sides of 66.9 and 78.9 centimeters,and the included angle of 37.9
![Find the area of a triangle with sides of 66.9 and 78.9 cent](/uploads/image/z/15797720-56-0.jpg?t=Find+the+area+of+a+triangle+with+sides+of+66.9+and+78.9+cent)
求两边分别为66.9和78.9cm,且夹角为37.9°的三角形面积
S=absinC/2=1621.22平方厘米(square centimetres)
S=absinC/2=1621.22平方厘米(square centimetres)
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