3 years ago

What is the length of side BC?

1 answer:

7 0

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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