Answer:
speed = distance÷time 48.7÷1.2 = 40.58
The square would be 100.
The semicircle you will use the formula πr^2/2.
That would mean you would take the 3.14x5^2/2.
(3.14x5x5)/2
(3.14x25)/2
78.5/2
=39.25
So the total area would be 139.25
Answer: coeficient is 20 and the constant which is 13
Step-by-step explanation:
