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17 votes
What is the length of AB?

B
3x
(4X-2
763
A
63
O A. 4
B. 2.
C. 8
D. 6

What is the length of AB? B 3x (4X-2 763 A 63 O A. 4 B. 2. C. 8 D. 6-example-1
User Karoh
by
3.5k points

2 Answers

6 votes

Answer:

Explanation:

4x-2=3x

4x-3x=2

x=2

User Bruno Borges
by
2.9k points
8 votes

Answer:

D. 6

Explanation:

As the two base angles are equal, this implies that this is an isosceles triangle. This means that the sides opposite the base angles are also equal.

Therefore, AB = BC

⇒ 3x = 4x - 2

⇒ x = 2

If x = 2, then AB = 3 · 2 = 6

User Nikita Barishok
by
3.5k points