Segment AX and Segment EX are secant segments that intersect at point X. What is the length of ED? a. 1 b. 3 c. 6 d. 9

Question

asked Feb 9, 2021 142k views

2 Answers

Avi Ginsburg · Answer 1 · 2021-02-13T15:33:35+0000

Answer:

B. 3

Explanation:

We can use secant theorem.

AX × BX = EX × DX

AX = 7 + 2 = 9

9 × 2 = (3 + x) × 3

18 = 9 + 3x

18 - 9 = 3x

9 = 3x

x = 9/3 = 3

The length of ED is 3 units.