Answer:
10m
Step-by-step explanation:
Radius is half the diameter.
So, 5x2 = 10
Answer: 10m
The missing angle would be 35 degrees. The straight line adds up to 180 and the right angle would be 90 degrees. 180-90-55 would be 35.
11 x < - 66
x < - 66 / 11
x < - 6
hope this helps!