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@ikram002p
find the area of the triangle with the given measurements. round the solution to the nearest hundredth if necessary. B=67 a=10 cm c=20cm
|dw:1403217402417:dw|
so do you know how to find area of triangle using cross product ?
no c:
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area of triangle = 0.5 a×c=0.5 |a| |c | sin B |dw:1403217578804:dw|
.-. 0.5*10*20=0.5*|10|*|20|*sinb
yeah B=67 so its sin 67
.9205
i got 92.05
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.-. wtf
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