Answer:
x = 70
Step-by-step explanation:
The chord- chord angle x is half the sum of the arcs intercepted by the angle and its vertical angle, then
x = (80 + 60) = 0.5 × 140 = 70
5.5 - 1.5 = 4
Brainliest pls
6.4
You could use a calculator
Or....
Do 345.6/54 and get 6.4