The length of the arc of this semi-circle is 70m. What is the length of the radius?

r = 22.3m circa

Step-by-step explanation:

We know that the perimeter of a circle can be calculated as follows:

p = 2r

So half of perimeter will be:

p/2 = r

We know that p/s = 70m, therefore:

r = 70m / = 22.3 m circa.

from the figure we get,

the x axis shows   the months and,

the y-axis shows the number of satisfied customer.

each line or each cell in upward direction (y-axis) shows 500.

the appropriate scale for the y - axis is: -

a = 2000 customers

b = 4000 customers

c = 6000 customers

d = 8000 customers

e = 10000 customers

f = 12000 customers

g = 14000 customers

-2

7 - 9 = -2

reversed:

-2 + 9 = 7