Iemongirl
Iemongirl
06-01-2017
Mathematics
contestada
What is the length of side BC?
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Аноним
Аноним
06-01-2017
This is an isosceles triangle: a triangle with two sides equals.
Therefore:
side BA=side CA
8x-4=5x+11
8x-5x=11+4
3x=15
x=15/3
x=5
length of side BC=4x-2=4(5)-2=20-2=18.
The lenght of side BC is 18 units of lenth.
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