3 years ago

AABC is isosceles. AB = 3x - 4 and BC = 5x - 10. AB = [?]

Mathematics

1 answer:

Schach [20]3 years ago

4 0

If AB = BC then set up the equation 3x - 4 = 5x - 10

Subtract 3x.

-4 = 2x - 10

Add 10.

6 = 2x

Divide by 2.

3 = x

AB is 3x - 4 so

3(3) - 4

9 - 4

AB = 5

If AB is not equal to BC then this is not solvable.

But if they are I am sure AB = 5.

Hope this helps

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