Answer: 2.
Step-by-step explanation: Write the equation of the circle using h = 2, k = –1, and r = ... (x – 1). 2. + y. 2. = 4 is a circle with center (1, 0) and a radius of 2.
 
        
             
        
        
        
Maintaining the same width of the compass as AB, draw an arc from point X such that it intersects the afternoon drawn from N in a point
        
             
        
        
        
Hey!
You have to use the Pythagorean Theorem
a² + b² = c²
a = 10
10² = 10 × 10 = 100
b = 11
11² = 11 × 11 = 121
100 + 121 = 221
√221 = 14.9(rounded)
Answer ⇒ 14.9
Hope this helps! :)
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
Hello,
You can use Pythagoras in the 4 right triangles.
For one triangle it comes  .
.
Then for the polygon it gives  .
.
Hope this helps.
Do not hesitate if you need further explanation.
Thank you
 
        
             
        
        
        
Answer:
2
Step-by-step explanation:
15+10=5(3+_)
25=5(3+_)
25 divide by 5 equals 5
5-3=2!