Question

What is the length of AB?

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

Answer 1

Explanation:

4x-2=3x

4x-3x=2

x=2

Answer 2

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