damientran
19.12.2019 •
Mathematics
Triangle abc has vertices of a(-6, 7), b (4, -1), and c (-2, -9). what is the length of the median from angle b?
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Ответ:
M ( (-6-2) / 2) , ( 7-9 ) /2 ) = ( -4, -1 )
d ( BM ) = √ ( 4 + 4 )² + ( -1+ 1 )²
d ( BM ) = √ 8 ² =√ 64 = 8
The length of the median from angle B is 8.
Ответ:
the answer is b, 15ft long