**Answer:**

50

x

+

4111

4

x

+

5

**Step-by-step explanation:**

Answer: The radius of the circle is 19.1 inches.

The length l of an arc corresponding to a central angle x (in radians) is:

Given the values for l and x:

The above is in inches.

**Answer:**

170 years

**Step-by-step explanation:**

R/100=2.5%

time= 100=0.025 per year (1/0.025) (5200\1000)-1=168

time=168 years

The radius of a cone would be half the diameter of the base ( bottom circle)

In this image the radius is labeled A

**Answer:**

A point is a coordinate pair

A ray is a starting point but no end point (so it goes on forever)

A segment is a line connecting two points

(I'm in 9th still learning-ish)