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Mathematics 13 Online
OpenStudy (anonymous):

the sides of a triangular lot are 130m,180m and 190m.the lot is to be divided by a line bisecting the longest side and drawn from the opposite vertex.find the length of the line?

OpenStudy (alexwee123):

|dw:1338704241189:dw|

OpenStudy (alexwee123):

use the law of cosines to find the angle opposite of the 190 sides

OpenStudy (alexwee123):

do you know how to do or need help?

OpenStudy (anonymous):

ill try w8

OpenStudy (anonymous):

i have 73.6 for the opposite of C

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