You are adding 40 every time.
The 100th term is 7+(99*40)=3967
X(4*1) because I’m just doing what I’m told.
False - plug in the bramble for the first equation and you get 40 = 12 which is not true
3420°
explanation:
the equation of the sum of interior angles are (n-2)x180
polygon above has 21 sides so you sub n as 21 and plug the equation in the calculator
The answer to the question above is letter C. To explain the answer if the given question, a circle of 30 inches radius, if the central angle is 35 degrees, intersecting the circle forms an arc of length which is 18.33 inches.