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AABC is an isosceles triangle. AB is the longest side with length 9x+3, BC = 4x+6 and CA = 3x+9. Find AB.

AABC is an isosceles triangle. AB is the longest side with length 9x+3, BC = 4x+6 and CA = 3x+9. Find AB.
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4 votes
AABC is an isosceles triangle. AB is the longest side with

length 9x+3, BC = 4x+6 and CA = 3x+9. Find AB.

asked
User Ravi Parekh
by
8.5k points

1 Answer

4 votes

Answer:

30

Explanation:

Since ABC is isosceles, BC = CA.

  • 4x + 6 = 3x + 9
  • x = 3

So, AB = 9(3)+3 = 30.

answered
User Gfytd
by
7.7k points
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