Answer:
100 degrees
Step-by-step explanation:
They have to add up to 180 because they're on a straight line together.
180 - 80 = 100 degrees
Given the radius is, r = 16 in,
The expression for the circumference of a circle is,

Therefore, we have,

Thus, the circumference of the circle is 100.48 in.
Please repost... picture is all black
So in order to compare, the measurements have to same units. So lets convert everything to feet.
George 2 yds = 6 ft Kelsey 68 inches = 5 ft 8"
Mariah 5 feet Brian 5 ft 10 "
George measured the tallest at 6'
Hope this helped.