Question

In the figure, what is the value of z?
A. 2.9
B. 5.6
C. 6
D. 8.75

Answer 1

B. 5.6

Explanation:

The products of the lengths of the segments of each chord are equal.

5 × z = 7 × 4

5z = 28

z = 28/5

z = 5.6

Answer: B. 5.6