We know that

if ∠WCR=49°

then

measure arc WR=49°-------> by central angle

circumference C=2*pi*r

for r=7 in

C=2*pi*7-----> 43.96 in

if 360°(full circle) has a length of----------> 43.96 in

49°---------------> x

x=49*43.96/360-----> x=5.98 in

alternative method

applying the formula

L=(∅/360°)*2*pi*r

where

∅ is the angle in degrees

r is the radius

L=(49°/360°)*2*pi*7------> L=5.98 in

**the answer is**

**5.98 in **

Answer: should be x> -18

Step-by-step explanation: hope this helps

The answer to your question is 36

**Answer:**

** 7f**

** r = ----------- - 4**

** z**

**Step-by-step explanation:**

I will assume that you meant:

7f

z = ------------

r + 4

Solve for r. Start by interchanging z and (r + 4):

7f

r + 4 = -----------

z

Now subtract 4 from both sides. This isolates r:

** 7f**

** r = ----------- - 4**

** z**

7. √9

√9 is a rational number because √9 = 3 = 3/1.

8. No, there is no integer between -6 and -7.

9. π

π is an irrational number